AP BIOLOGY UNIT 5 TEST QUESTIONS AND
ANSWERS
Mendel's observation of the segregation of alleles in gamete formation
has its basis in which of the following phases of meiosis?
A. anaphase I
B. metaphase I
C. anaphase II
D. prophase I - ANS -A
How many unique gametes could be produced through independent
assortment by an individual with the genotype AaBbCCDdEE?
A. 16
B. 32
C. 8
D. 4 - ANS -C
In the cross AaBbCc x AaBbCc, what is the probability of producing the
genotype AABBCC?
A. 1/32
B. 1/64
, C. 1/4
D. 1/16 - ANS -B
Given the parents AABBCc x AabbCc, assume simple dominance for
each trait and independent assortment. What is the proportion of the
progeny that will be expected to phenotypically resemble the first
parent?
A. 1/4
B. 3/4
C. 3/8
D. 1/8 - ANS -B
An allele on the X chromosome is responsible for the recessive trait of
red-green color blindness in humans. The daughter of a woman who is
color-blind has normal vision and marries a man who is color-blind. This
couple has a son, what is the probability that the son will be color-
blind?
A. 1/2
B. 0
C. 3/4
D. 1/4
E. 1 - ANS -A
ANSWERS
Mendel's observation of the segregation of alleles in gamete formation
has its basis in which of the following phases of meiosis?
A. anaphase I
B. metaphase I
C. anaphase II
D. prophase I - ANS -A
How many unique gametes could be produced through independent
assortment by an individual with the genotype AaBbCCDdEE?
A. 16
B. 32
C. 8
D. 4 - ANS -C
In the cross AaBbCc x AaBbCc, what is the probability of producing the
genotype AABBCC?
A. 1/32
B. 1/64
, C. 1/4
D. 1/16 - ANS -B
Given the parents AABBCc x AabbCc, assume simple dominance for
each trait and independent assortment. What is the proportion of the
progeny that will be expected to phenotypically resemble the first
parent?
A. 1/4
B. 3/4
C. 3/8
D. 1/8 - ANS -B
An allele on the X chromosome is responsible for the recessive trait of
red-green color blindness in humans. The daughter of a woman who is
color-blind has normal vision and marries a man who is color-blind. This
couple has a son, what is the probability that the son will be color-
blind?
A. 1/2
B. 0
C. 3/4
D. 1/4
E. 1 - ANS -A