Genetic Crosses Quiz
1.
2.
Name:
Which characteristic is dominant?
A
Green
C
Bendy
B
Yellow
D
Straight
Which is a heterozygous genotype?
A
YY
B
yy
C
Yy
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3.
4.
What is a Punnet Square?
A
A type of square dance
B
a grid for genetic crosses
C
a graph
D
a histogram
What is the probability of having a green
banana if you cross Yy and Yy?
A
25%
C
75%
B
50%
D
100%
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5.
6.
7.
What colour will all the bananas be with this
cross; YY with Yy?
A
green
C
blue
B
yellow
D
red
What id the probability of a person being
affected with cystic fibrosis with this cross?
A
100%
C
50%
B
75%
D
25%
Which part of the cells does the cystic fibrosis
gene affect?
A
nucleus
B
cytoplasm
C
cell membrane
D
mitochondria
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8.
9.
What is polydactyly?
A
recessively inherited genetic
disorder
B
dominantly inherited genetic
disorder
C
sex linked genetic disorder
What is the probability of being female?
A
100%
C
50%
B
75%
D
25%
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10.
What is the genotype of a female?
A
11.
XY C
YY D
XY
Y
What is the genotype of a male?
A
12.
XX B
XX B
XY C
YY D
XX
Y
What sex is this person?
A
Male
B
Female
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