Download Question Report - Blue Valley Schools

Unit 5 Review Game
1
The A, B, AB, and O blood types are determined by _______ different alleles.
A
B
C
D
2
epistasis.
pleiotropy.
polygenic inheritance.
incomplete dominance.
Color blindness is an X-linked recessive trait. A color-blind man has a daughter with normal
color vision. What is the genotype of the daughter?
A
B
C
D
5
both parents are homozygous dominant.
both parents are heterozygous for both genes.
one parent is homozygous dominant and one parent is heterozygous.
one parent is homozygous dominant and one parent is homozygous
recessive.
Sickle cell anemia is an example of a mutant allele that has several distinct and seemingly
unrelated phenotypic effects. This pattern of inheritance is called
A
B
C
D
4
1
2
3
4
In a two-factor cross, a phenotypic ratio of 9:3:3:1 in the offspring of a cross indicates that
A
B
C
D
3
Page 1
XcY
XCY
XcXc
XCXc
As shown in this diagram, eye color in fruit flies is an example of a sex-liked trait. Which of
the following crosses could produce a white-eyed female fly?
A
B
C
D
XRXR x XRY
XRXr x XRY
XRXR x XrY
XRXr x XrY
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Unit 5 Review Game
6
Freckles (F) and a widow's peak (W) are dominant human traits.
Jack has freckles and a widow's peak and Samantha has neither. Jack and Samantha have
a daughter that has neither freckles nor a widow's peak.
Which of the following represents the cross between Jack and Samantha?
A
B
C
D
7
FfWw x FfWw
FfWw x FFWW
FfWw x ffww
FFWW x ffww
Coat color in Labrador retrievers is an example of epistasis, in which a single trait is
influenced by two separate genes. Which of the following lists includes possible genotypes
for each of these dogs (left to right)?
B=black melanin, b=brown melanin
E=full deposition, e=reduced deposition
A
B
C
D
8
bbEE / BbEE / BBee
BbEe / Bbee / bbEe
BbEe / BbEe / BbEe
BBEE / bbee / BbEe
Which of the individuals is homozygous recessive for both of the allele pairs?
A
B
C
D
the male parent
the F1 generation
the female parent
both the male and female parents
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Page 2
Unit 5 Review Game
9
A woman with type AB blood marries a man with type O. What is the probability that their
first child will have type B blood?
A
B
C
D
10
1 AB : 1 ab
3 AB : 1 aB
1 AB : 2 Ab : 1 ab
1 AB : 1 Ab : 1 aB : 1 ab
The results of the following cross indicates that the
A
B
C
D
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1 black : 1 gray
3 black : 1 white
1 black : 1 white
1 black : 2 gray : 1 white
In a situation in which genes assort independently, what is the ratio of the gametes
produced by an AaBb individual?
A
B
C
D
12
0%
25%
50%
100%
Andalusian chickens with the genotype CBCB are black, those with the genotype CWCW are
white, and those with the genotype CBCW are gray. What is the expected phenotypic ratio
of a CBCW x CBCB cross?
A
B
C
D
11
Page 3
the two genes are linked.
the MendAlien species is polyploid.
the two genes do not assort independently.
both A and C
A OoWw x ooww cross yields a phenotypic outcome of 23 black skin, green eyes : 24
orange skin, white eyes : 21 black skin, white eyes : 22 orange skin, green eyes. Which of
the following best explains these results?
A
B
C
D
Mendel's law of segregation is being violated.
Mendel's law of independent assortment is being violated.
The genes for skin color and eye color assort independently.
Mendel's laws of segregation and independent assortment are being
violated.
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Unit 5 Review Game
14
The recombination frequency between gene A and gene B is 2.4%, the recombination
frequency between gene A and gene C is 10.8%, and the recombination frequency
between gene B and gene C is 8.4%. Which of these is the correct arrangement of these
genes?
A
B
C
D
15
ABC
ACB
BCA
CAB
The results of a F1 testcross are: 219 bald head, four ears : 221 hairy head, six ears : 31
bald head, six ears : 29 hairy head, four ears. How many map units apart are the head and
ear genes?
A
B
C
D
16
Page 4
3.5
3.9
7.5
12.0
Cats have a haploid number of 19 (n = 19). How many chromosomes would be found in
the cells of a cat with Klinefelter's syndrome (XXY)?
A
B
C
D
19
38
39
76
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Unit 5 Review Game
17
Page 5
Given these chromosomes, which of the choices represents the possible recombinant
gametes?
A
B
C
D
18
As shown below, tortoiseshell cats express both orange and black fur colors. Which of these
phenomena explains why nearly all tortoiseshell cats are females?
A
B
C
D
codominance
crossing over
X-chromosome inactivation
chromosomal nondisjunction
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Unit 5 Review Game
19
Suppose that having three nostrils is a dominant Y-linked character. A woman with two
nostrils mates with a man with three nostrils. Their first child has three nostrils. What is the
probability that their second child will also have three nostrils?
A
B
C
D
20
Page 6
0%
50%
100%
There is not enough information to answer this question.
Hypophosphatemia (vitamin D-resistant rickets) is inherited as an X-linked dominant
genetic disorder. What is the probability that a woman without the disorder and a man with
the disorder will have a normal child?
A
B
C
D
0%
25%
50%
100%
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Unit 5 Review Game
Page 7
Answer Key : Unit 5 Review Game
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Answer
C
B
B
D
D
C
B
C
C
A
D
D
C
A
D
C
B
C
B
C