4.1,_4.2C_Traits
... 22; the 23rd pair are the sex chromosomes Sex chromosomes are X-chromosomes and Y-chromosomes Female: XX Male: XY ...
... 22; the 23rd pair are the sex chromosomes Sex chromosomes are X-chromosomes and Y-chromosomes Female: XX Male: XY ...
Mendel`s Work
... plants to see what traits were inherited by following generations • Importance of his experiments not recognized until 1900’s • Now known as Father of Genetics ...
... plants to see what traits were inherited by following generations • Importance of his experiments not recognized until 1900’s • Now known as Father of Genetics ...
Worksheet - Biology Junction
... Extending the Range of Mendelian Genetics 9. Explain the inheritance pattern of traits where more than two alleles for the trait exist. ...
... Extending the Range of Mendelian Genetics 9. Explain the inheritance pattern of traits where more than two alleles for the trait exist. ...
Standard 9: The Genetics of Life Study Guide PART 1: Basic
... This principle states that the alleles for a trait separate when gametes are formed. These allele pairs are then randomly united at fertilization. __________________________________________________________________________________ ...
... This principle states that the alleles for a trait separate when gametes are formed. These allele pairs are then randomly united at fertilization. __________________________________________________________________________________ ...
Mendel and Genetics
... • The set-up of a Punnett Square is based on the events of Meiosis. The genetic composition of each possible gamete that might be made by each parent is placed on each side of the square. Then you put the gametes together to determine the genotype of possible offspring. • When you are finished you c ...
... • The set-up of a Punnett Square is based on the events of Meiosis. The genetic composition of each possible gamete that might be made by each parent is placed on each side of the square. Then you put the gametes together to determine the genotype of possible offspring. • When you are finished you c ...
2 Sex chromosomes
... 2. Must have two copies of recessive allele to have disorder a. Disorders often appear in offspring of parents who are heterozygous b. Cystic Fibrosis- recessive disorder that affects sweat glands and mucus glands. ...
... 2. Must have two copies of recessive allele to have disorder a. Disorders often appear in offspring of parents who are heterozygous b. Cystic Fibrosis- recessive disorder that affects sweat glands and mucus glands. ...
Microevolution
... 2. Natural selection 3. Gene flow 4. Mutation 5. Non-random mating (Sexual Selection= picking mates with selected traits that might aid survival/reproduction. Example: showy feathers on birds; Deer with large rack Sexual Dimorphism- males & females showing 2 forms are common in animal kingdom. ...
... 2. Natural selection 3. Gene flow 4. Mutation 5. Non-random mating (Sexual Selection= picking mates with selected traits that might aid survival/reproduction. Example: showy feathers on birds; Deer with large rack Sexual Dimorphism- males & females showing 2 forms are common in animal kingdom. ...
Evolution 1/e
... Self-fertilization and sibling mating most extreme forms of inbreeding, but matings between more distant relatives (e.g. cousins) has same effect on frequency of homozygotes, but rate is slower. ...
... Self-fertilization and sibling mating most extreme forms of inbreeding, but matings between more distant relatives (e.g. cousins) has same effect on frequency of homozygotes, but rate is slower. ...
Chapter 5 - St. Ambrose School
... • Recessive Trait – An allele that must be contributed by both parents in order to appear in the offspring. • Recessive traits can be carried in a person's genes without appearing in that person. – A brown-eyed person may have one gene for brown eyes, which is a dominant trait, and one gene for blue ...
... • Recessive Trait – An allele that must be contributed by both parents in order to appear in the offspring. • Recessive traits can be carried in a person's genes without appearing in that person. – A brown-eyed person may have one gene for brown eyes, which is a dominant trait, and one gene for blue ...
Deviations from Hardy-Weinberg Equilibrium
... In a small population, the sampling of gametes and fertilization to create zygotes causes random error in allele frequencies. This results in a deviation from the Hardy-Weinberg Equilibrium. This deviation is larger at small sample sizes and smaller at large sample sizes. Think of it like tossing co ...
... In a small population, the sampling of gametes and fertilization to create zygotes causes random error in allele frequencies. This results in a deviation from the Hardy-Weinberg Equilibrium. This deviation is larger at small sample sizes and smaller at large sample sizes. Think of it like tossing co ...
File
... Practical Application of HardyWeinberg Equations • If you know the frequency of the recessive phenotype (aa) you can calculate the percent of the population that are carriers (Aa) and that are AA. ...
... Practical Application of HardyWeinberg Equations • If you know the frequency of the recessive phenotype (aa) you can calculate the percent of the population that are carriers (Aa) and that are AA. ...
Evolution Unit
... and that there is competition for those resources. • Adaptation = a genetic variation favored by natural selection. ...
... and that there is competition for those resources. • Adaptation = a genetic variation favored by natural selection. ...
16-2 Evolution as Genetic Change PowerPoint
... there can be no movement into or out of the population, there can be no mutations, and there can be no natural selection. ...
... there can be no movement into or out of the population, there can be no mutations, and there can be no natural selection. ...
Mendelian Genetics Blending theory of heredity
... Parents w recently shared ancestry are more likely to inherit the same recessive alleles than unrelated persons Because some embryos are aborted prior to birth, it is difficult to assess extant to which consanguinity increases the incidence of inherited diseases Most cultures forbid marriage between ...
... Parents w recently shared ancestry are more likely to inherit the same recessive alleles than unrelated persons Because some embryos are aborted prior to birth, it is difficult to assess extant to which consanguinity increases the incidence of inherited diseases Most cultures forbid marriage between ...
Name - TeacherWeb
... 2. Who was Gregor Mendel? What organism did he work with? 3. Mendel concluded biological inheritance of traits is determined by chemical factors; today we know these “factors” are genes; genes control traits; genes are passed from parents to their offspring. This law is called? 4. Genes occur in dif ...
... 2. Who was Gregor Mendel? What organism did he work with? 3. Mendel concluded biological inheritance of traits is determined by chemical factors; today we know these “factors” are genes; genes control traits; genes are passed from parents to their offspring. This law is called? 4. Genes occur in dif ...
Course Specifications
... Overview of genetic markers Genetically viable populations Genetically fragmentated populations Inbreeding and inbreeding depression Evolution in small populations Evolution in harvested populations The basic of coalescence theory Extensions of CT: selection, migration, population growth Taxonomic u ...
... Overview of genetic markers Genetically viable populations Genetically fragmentated populations Inbreeding and inbreeding depression Evolution in small populations Evolution in harvested populations The basic of coalescence theory Extensions of CT: selection, migration, population growth Taxonomic u ...
HBS3 18. gene pool - Leeming-Biology-12
... The effects of genetic drift • The effects of genetic drift can be amplified by differences in the number of children raised by couples, or individuals dying prematurely. • Genetic drift can result in: – traits being lost from small populations. – unusual traits, not commonly found in the parent po ...
... The effects of genetic drift • The effects of genetic drift can be amplified by differences in the number of children raised by couples, or individuals dying prematurely. • Genetic drift can result in: – traits being lost from small populations. – unusual traits, not commonly found in the parent po ...
Causes of Microevolution - Effingham County Schools
... • Mutations - Only mutations that occur in cell lines that produce gametes can be passed along to offspring (it is rare that this occurs) – Only those mutations that allow an organism to be better suited to its environment will exist in a pop. – Mutations are more likely to be present in high number ...
... • Mutations - Only mutations that occur in cell lines that produce gametes can be passed along to offspring (it is rare that this occurs) – Only those mutations that allow an organism to be better suited to its environment will exist in a pop. – Mutations are more likely to be present in high number ...
BIO152 Summer Evolutionary processes
... Movement of alleles from one population to another Tends to equalize allele frequencies between populations (Fig 24.11) Improved fitness? Depends… Increased genetic diversity may provide better solutions in the new population ...
... Movement of alleles from one population to another Tends to equalize allele frequencies between populations (Fig 24.11) Improved fitness? Depends… Increased genetic diversity may provide better solutions in the new population ...
Heredity
... Recessive allele – a trait that must be contributed by both parents in order to appear in the offspring – an organism can carry the recessive trait and not show it is hidden whenever the dominant allele is present represented with a lowercase letter Hybrid Organism – has two different alleles ...
... Recessive allele – a trait that must be contributed by both parents in order to appear in the offspring – an organism can carry the recessive trait and not show it is hidden whenever the dominant allele is present represented with a lowercase letter Hybrid Organism – has two different alleles ...
BIO 10 Lecture 2
... • Ultimately, evolution happens because changes in the DNA sequence result in survival machines that are either better or worse fit – Where “fitness” is defined as reproductive fitness – i.e. how successful that organism is at passing its genes to the next generation – An organism that fails to pas ...
... • Ultimately, evolution happens because changes in the DNA sequence result in survival machines that are either better or worse fit – Where “fitness” is defined as reproductive fitness – i.e. how successful that organism is at passing its genes to the next generation – An organism that fails to pas ...
Document
... Heritable differences result from differences in the genetic material of an organism Could be inherited from parent or the result of a mutation ...
... Heritable differences result from differences in the genetic material of an organism Could be inherited from parent or the result of a mutation ...
Gene pool and evolution PPT
... – How many genes control this trait? 1, it is a single gene trait ...
... – How many genes control this trait? 1, it is a single gene trait ...
Five agents of evolutionary change
... entire population of organisms is unlikely to be exactly the same. Ex. population of hamsters: A) 80% of all the gametes in the population carry a dominant allele for black coat (B) and B) 20% carry the recessive allele for ...
... entire population of organisms is unlikely to be exactly the same. Ex. population of hamsters: A) 80% of all the gametes in the population carry a dominant allele for black coat (B) and B) 20% carry the recessive allele for ...