QUESTION 1
What blood types would appear in the progeny of a type O father and a type AB mother?
a. A or B only
b. A, B, AB or O
c. A, B, or AB
d. AB or O only
e. AB only
QUESTION 2
What blood types might appear in the progeny of a homozygous type A father and a homozygous type B mother?
a. AB or O
b. A or B
c. A, B, AB or O
d. AB only
e. O only
QUESTION 3
Two parents with blood type A have a child who is blood type O. From this information, what can you infer about the parents?
a. One parent was homozygous ii.
b. Both parents were heterozygous IAi.
c. One parent was homozygous and one was heterozygous.
d. One parent was homozygous IAIA and the other was homozygous ii.
e. Both parents were homozygous IAIA.
QUESTION 4
In cats, the gene for orange coat color is on the X chromosome. What would be the results of a cross between a black male and an orange female?
a. the male kittens would be orange and the females would be torties
b. both the male and female kittens would be torties
c. the male kittens would be black and the females would be orange
d. the male kittens would be black and the females would be torties (black and orange patches)
e. the male kittens would be orange and the females would be black
QUESTION 5
In cats, the gene for orange coat color is on the X chromosome. What would be the results of a cross between an orange male and a tortie (black and orange patches) female?
a. Tortie males and orange females.
b. Black males and orange females.
c. Orange males and tortie females.
d. Black males, orange males, black females and orange females.
e. Black males, orange males, tortie females and orange females.
QUESTION 6
Tortie (black and orange patches) cats are nearly always female. Why?
QUESTION 7
If a woman is colorblind, which of the following two things can you infer about her family?
a. The woman’s father is colorblind
b. The woman’s daughters will all be colorblind.
c. The woman’s sons will all be colorblind.
d. The woman’s mother is colorblind.
e. The woman’s maternal grandfather was colorblind.
QUESTION 8
The most common mutation associated with cystic fibrosis results in
a. a single nucleotide replacement
b. a trinucleotide repeat expansion
c. a single amino acid deletion
d. a single amino acid replacement
e. a single nucleotide deletion
QUESTION 9
Mike is colorblind, but his brother Pat is not. Neither of their parents is colorblind. Only one of their grandparents is also colorblind. Which one?
a. their mother’s mother
b. their father’s mother
c. their mother’s father
d. their father’s father
QUESTION 10
Sickle cell disease is due to
a. a single nucleotide replacement
b. a missing chromosome
c. an autosomal trisomy
d. a trinucleotide repeat expansion
e. a deletion mutation
QUESTION 11
Klinefelter syndrome is seen in
a. females with the karyotype XO.
b. females with the karyotype XXY.
c. males with the karyotype XXY.
d. males with the karyotype XYY.
e. males with the karyotype XO.
QUESTION 12
Huntington Disease is due to
a. trisomy
b. a trinucleotide repeat expansion
c. a small deletion
d. a single nucleotide substitution
e. monosomy
QUESTION 13
The only nonlethal human monosomy is that associated with
a. Klinefelter syndrome
b. Down syndrome
c. Hemophilia
d. Turner syndrome
e. Huntington disease
QUESTION 14
The difference between male and female karyotypes is that
a. females have two X chromosomes, while males have two Y chromosomes.
b. females have two X chromosomes, while males have an X and a Y.
c. males have two X chromosomes, while females have an X and a Y.
d. females have two X chromosomes, while males have two X chromosomes and also a Y chromosome.
e. females have a single X chromosome, while males have a single Y chromosome.
QUESTION 15
Down Syndrome is due to the karyotype
a. trisomy 21
b. monosomy 21
c. the XYY karyotype
d. monosomy for the X chromosome.
e. trisomy for the X chromosome
QUESTION 16
An individual with a a trisomy has
a. 3 copies of one chromosome
b. 3 sets of chromosomes
c. 3 missing chromosomes
d. only one set of chromosomes
e. one missing chromosome
QUESTION 17
Examine the attached pedigree and select an appropriate inheritance pattern from the list below.
quiz 6-17.jpg
a. simple dominant
b. simple recessive
c. X linked dominant
d. X linked recessive
QUESTION 18
Examine the attached pedigree and select an appropriate inheritance pattern from the list below.
a. simple dominant
b. simple recessive
c. X linked dominant
d. X linked recessive
QUESTION 19
Examine the attached pedigree and select an appropriate inheritance pattern from the list below.
a. X linked recessive
b. simple dominant
c. simple recessive
d. X linked dominant
