These are questions taken from previous years' genetics exams.

4- The inheritance pattern of the ABO blood group in humans 
is an example of:
a. semidominance
b. dosage compensation
c. pseudodominance
d. codominance
e. incomplete dominance

6-Aneuploidy is the result of
a. recombination
b. nondisjunction
c. transformation
d. epistasis
e. X-inactivation

9- A man who carries a particular X-linked allele will pass 
it on to:
a. half of his sons
b. half of his daughters
c. all of his children
d. all of his daughters
e. all of his sons

11- Genes A and B are linked with 12 map units between 
them.  A heterozygous individual Ab/aB would be expected 
to produce gametes in which of the following frequencies?
a. 44% AB;  6% Ab;  6% aB; 44% ab
b. 6% AB;  44% Ab;  44% aB;  6% ab
c. 6% AB;  6% Ab;  44% aB;  44% ab
d. 12% AB;  12%Ab;  38% aB;  38% ab
e. 6% AB;  12%Ab;  32% aB;  50% ab

14- In an organism with a haploid number of 3, six 
individual chromosomal structures will align on the 
metaphase plate during what cycle?
a. mitosis
b. meiosis I
c. meiosis II

27.  How far apart (in map units) are two linked genes 
that show 15% recombination?

28.  Where is the fertility factor located in an 
Hfr cell?_________________

34.  Criss-cross inheritance is indicative 
of ______________________.

35.  The interaction between genes that occurs when one gene 
pair masks or modifies expression of the second gene pair is 
known as ______________.