Download 2.5.6 Genetic Inheritance 2.5.7 Causes of Variation 2.5.8 Evolution

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Transcript
2.5.6 Genetic Inheritance
2.5.7 Causes of Variation
2.5.8 Evolution
Follow-Me – iQuiz
Q. What term is used to describe an individual’s genetic makeup?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. Explain the term recessive.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. What is an allele?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. Explain homozygous
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. What is meant by phenotype?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. Explain the term dominant.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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for the Next Question
Q. Explain heterozygous.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. What is ‘junk’ DNA?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. What is linkage?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. Human males and females differ in one of their twenty three
pairs of chromosomes. What name is given to this pair of
chromosomes?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. What is sex-linkage?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. How many possible gametes can a parent of genotype Aa
produce?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. Name the sex chromosomes that are present in a human male
cell.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. What is incomplete dominance?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. Name the sex chromosomes that are present in a human
female cell.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. A spontaneous change in the genetic material of an organism
is called a ...
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. A change in the structure of DNA is a … and may give rise to a
…
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. Name a scientist responsible for the Theory of Natural
Selection
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. State two types of evidence used to support the theory of
evolution.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. How many possible gametes can a parent of genotype AaBb
produce?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. Give two causes of mutation.
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. What is meant by the term evolution?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
CONGRATULATIONS
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Q. What is Natural Selection?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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Q. What is meant by genetic screening?
Allele only expressed in the
homozygous condition
Four
Mutation
Allele that is always
expressed
Genes located on sex (X
or Y) chromosome
Mutation; Variation
Alternative form of a
gene
Genes on the same
chromosome
Neither allele masks the
expression of the other
Chemicals; Radiation;
Viruses; Carcinogens
Genotype
Darwin; Wallace
Heterosomes; Sex
chromosomes
Different alleles or genes
Identical alleles or genes
Does not code for a
protein
Inheritable change within
a population in response
to change in the
environment by natural
selection over time
Fossils; Embryos;
Anatomy; Genetics
Organisms best suited to
environment have greater
chance of breeding and survival
Physical appearance; Expression
of genotype; Result of genotype
+ environment
Testing people for the
presence of a specific gene
Two
XX
XY
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