Mendelian Genetics and Inheritance Patterns (1C)
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QUESTION
What is the probability that
A
a
B
b
AaBb
A
a
B
b
produces a gamete
a
b
ab
ab
assuming independent assortment?
QUESTION
What is the probability that
A
a
×
A
a
Aa \times Aa
A
a
×
A
a
produces a heterozygous
A
a
Aa
A
a
offspring?
QUESTION
What is the probability that
A
a
×
A
a
Aa \times Aa
A
a
×
A
a
produces an
a
a
aa
aa
offspring?
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ANSWER
1
4
\frac{1}{4}
4
1
. The probability of homozygous recessive offspring is
1
2
×
1
2
\frac{1}{2} \times \frac{1}{2}
2
1
×
2
1
from each parent's contribution of the recessive allele.
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