PCB 3063 GENETICS Final Exam 2025 (100%
CORRECT ANSWER) SPRING QUARTER FAU
A child who is blood type A has a mother who is blood type B. In a paternity suit, a man
is accused of being the father. He has blood type AB. Is he the father?
A. Yes for sure
B. No for sure
C. He can not be excluded at this point.
D. There is a 50% chance he is the father.
C. He can not be excluded at this point.
If the mom is IBi, he could be the father.
What characteristic would you NOT expect to see in a pedigree of an X-linked
recessive trait?
A. The trait is more commonly seen in males.
B. The trait can skip a generation.
,C. The trait is commonly passed from fathers to sons.
D. Whenever a daughter receives the trait, the father is affected.
E. An affected son's mother either has the trait or is heterozygous (carrier).
C. The trait is commonly passed from fathers to sons.
Which of the following is NOT an assumption of the Hardy-Weinberg law?
A. Large populations
B. No natural selection
C. Non-random mating
D. No gene flow
E. No mutations
C. Non-random mating
Consider the following three-point cross:
ABCxabc
, abcabc
Which of the following is NOT a possible progeny genotype? (Consider both
recombinant and non-recombinant progeny.)
A. A B C
abc
B. a B C
abc
C. A B C
ABC
D. A b c
abc
CORRECT ANSWER) SPRING QUARTER FAU
A child who is blood type A has a mother who is blood type B. In a paternity suit, a man
is accused of being the father. He has blood type AB. Is he the father?
A. Yes for sure
B. No for sure
C. He can not be excluded at this point.
D. There is a 50% chance he is the father.
C. He can not be excluded at this point.
If the mom is IBi, he could be the father.
What characteristic would you NOT expect to see in a pedigree of an X-linked
recessive trait?
A. The trait is more commonly seen in males.
B. The trait can skip a generation.
,C. The trait is commonly passed from fathers to sons.
D. Whenever a daughter receives the trait, the father is affected.
E. An affected son's mother either has the trait or is heterozygous (carrier).
C. The trait is commonly passed from fathers to sons.
Which of the following is NOT an assumption of the Hardy-Weinberg law?
A. Large populations
B. No natural selection
C. Non-random mating
D. No gene flow
E. No mutations
C. Non-random mating
Consider the following three-point cross:
ABCxabc
, abcabc
Which of the following is NOT a possible progeny genotype? (Consider both
recombinant and non-recombinant progeny.)
A. A B C
abc
B. a B C
abc
C. A B C
ABC
D. A b c
abc
