Biology, 17.04.2020 21:33 jesse7412

Total fingerprint ridge count (TRC) exemplifies a polygenic inheritance pattern. AABBCCDD represents the genotype for maximum ridge count; aabbccdd shows the minimum ridge count. Assume that for males each dominant allele adds 12 ridges to the TRC of the male, but adds 9 to the TRC of the female. The genotype aabbccdd produces a baseline TRC of 80 for males and 70 for females.
1. Predict the TRC for each of the following individuals. Genotype Male & Female BOTH

AABBCCDD

AabbccDd

AaBBCcDD

aaBbCCDd

aabbccdd

AaBbCcDd

2. What is the genotype of an individual with the maximum ridge count?

3. What is the genotype with the minimum ridge count?

4. What is the genotype with an average ridge count? Genetics: Polygenic Inheritance Name:

5. If an AaBbCcdd male mates with an AaBbCCDD female,

a. What is the maximum number of ridge-producing alleles possible in one of their children?

b. What would be the TRC for this child if it were male?

c. What would be the TRC for this child if it were female?

d. If this child is a female, will she have a higher or lower TRC than the parent with the lower ridge count?

e. What is the minimum number of ridge-producing alleles possible in a child of this couple?

Answers: 2

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Total fingerprint ridge count (TRC) exemplifies a polygenic inheritance pattern. AABBCCDD represents...

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