Download Biology Test #3 – Chapter 5 – Genetics Multiple Choice: 1. An

Biology Test #3 – Chapter 5 – Genetics
Multiple Choice:
1.
An example of a species characteristic in humans would be:
a.
blue eyes
c.
freckles
b.
blond hair
d.
thumbs
2.
Hair and eye color, body build, and facial features are inherited, and are called:
a.
human characteristics
c.
individual characteristics
b.
racial characteristics
d.
species characteristics
3.
Sections of a chromosome that code for a trait are called:
a.
chromatids
c.
traits
b.
genes
d.
centromeres
4.
Asexual reproduction takes place in all of the following except:
a.
budding
c.
fragmentation
b.
euploidy
d.
spores
5.
A field of seedless grapes would be:
a.
a natural clone
c.
b.
an artificial clone
d.
a human clone
none of the above
6.
Human brothers and sisters are an example of:
a.
a natural clone
c.
a human clone
b.
an artificial clone
d.
none of the above
7.
An organism that can reproduce only asexually must be:
a.
unicellular
c.
diploid
b.
haploid
d.
able to form a clone
8.
Which of these is a difference between mitosis and meiosis?
a.
The number of consecutive cell divisions
b.
the presence of spindles
c.
the attachment between DNA duplicates
d.
the coiling of the chromosome
9.
When two haploid gametes unite, they forma diploid cell called a/an:
a.
ovum
c.
sperm
b.
isogamete
d.
zygote
10.
Gametogenesis is
a. the body of a seed
b. the carrying of sperm or eggs
c.
d.
formation of ova or sperm
a theory of the beginning of games
11.
The Austrian monk who established the first laws and principles of heredity was:
a.
Mendel
c.
Morgan
b.
Punnett
d.
George
12.
The separation of genes on homologous chromosomes during the formation of
gametes demonstrates the concept of:
a.
dominance
c.
segregation
b.
recessiveness
d.
unit characteristics
13.
The principle of genetics involved when one gene in a pair masks or prevents the
expression of the other is called the principle of:
a. dominance and recessiveness
c.
independent assortment
b. segregation
d.
unit characteristics
14.
In guinea pigs, black hair is dominant over white hair. If a homozygous black
guinea pig was crossed with a homozygous white guinea pig, the F1 offspring
probability would be:
a.
all white
c.
½ black and ½ white
b.
all black
d.
unable to be predicted
15.
The phenotypic ratio of the offspring TT, Tt, tt, TT is:
a.
2:1:1
c.
2:2
b.
2:1:2
d.
3:1
16.
The ability of a person to roll his tongue is due to a dominant allele T. A woman
who can roll her tongue is married to a man who cannot. Two of their four
children have the ability to roll their tongues, and two do not. What are the
parent’s genotypes?
a.
mother TT, father tt
c.
mother Tt, father tt
b.
mother tt, father Tt
d.
mother Tt, father Tt
17.
In humans, free ear lobes are determined by a dominant gene, F, and ear lobes
that are attached are determined by a recessive gene, f. A woman with free ear
lobes marries a man with attached ear lobes. Their first child has attached ear
lobes. Which of the following expresses the mother’s genotype?
a.
Ff
c.
ff
b.
FF
d.
xfxf
18.
Possessing a pair of identical alleles for one trait is the:
a.
monohybrid condition
c.
homozygous condition
b.
dihybrid condition
d.
heterozygous condition
19.
If an organism has two different genes for a single trait, the organism is:
a.
homozygous
c.
monohybrid
b.
heterozygous
d.
dihybrid
20.
A chart showing the phenotype of the individuals in several different generations
of a family is a:
a.
karyotype
c.
Punnett square
b.
pedigree
d.
clone
21.
A condition in which both alleles of a heterozygous condition are expressed is:
a.
crossing over
c.
transformation
b.
incomplete dominance
d.
sex-linked
22.
When dealing with two sets of traits, you would be dealing with a
a.
diploid condition
c.
dihybrid cross
b.
monohybrid cross
d.
haploid condition
23.
The possible number of different gametes that can form from a cell with genotype
CcDd is:
a.
2
c.
6
b.
4
d.
8
24.
The condition in which a locus on a chromosome can have one of several
different genes is:
a.
multiple alleles
c.
local alleles
b.
simple alleles
d.
recessive alleles
25.
Autosomes are chromosomes that:
a.
are not sex chromosomes
b.
are haploid
c.
d.
bear a lethal gene
have been altered by mutation
26.
A trait carried only on the X-chromosome is:
a.
sex-limited
c.
sex-influenced
b.
sex-linked
d.
sex-determined
27.
In the case of the sex-linked trait red-green colorblindness, which of the following
could not possible have occurred?
a.
a carrier mother passed the gene on to her son
b.
a carrier mother passed the gene on to her daughter
c.
A colorblind father passed the gene on to his son
d.
A colorblind father passed the gene on to his daughter
28.
The blood type that is always evidence of a homozygous condition is:
a.
A
c.
AB
b.
B
d.
O
Matching:
Choose from the following list the process that is being described by
Each statement below. These are processes in animal cells. Each question only has one
answer.
A.
B.
C.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
anaphase in mitosis
interphase in mitosis
metaphase in mitosis
D.
E.
F.
prophase in mitosis
telophase in mitosis
none of these
The centrioles divide and migrate
The nuclear membrane disappears
The cell membrane disappears
The chromosomes begin to coil in the nucleus
Centromeres pull apart sister chromatids
The spindle disappears
Daughter cells grow to divide again
DNA forms messenger RNA
Sister chromatids are at the center of the spindle
Nucleoli appear
The cytoplasm divides
Sperm are formed
The chromatin material disappears
Budding occurs
An unequal division of cytoplasm results
Four equal cells are formed
fertilization occurs
46. Perform a trihybrid cross of a female heterozygous for phone talking, video game
playing, and face-booking, married to a male heterozygous for the same. What would
be the possible genotypes and phenotypes of the offspring (show each as a ratio).
(This question poses that these “traits” are genetically based; there is no evidence of
this.)