Write the genotypes of parents

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Total fingerprint ridge count exemplifies a polygenic inheritance pattern. Penrose (1969) and others have suggested that a minimum of seven gene loci contribute to TRC, but four-locus model is hypothesized in the problem that follow. Thus, AABBCCDD represents the genotype for maximum ridge count and aabbccdd symbolizes the genotype for the minimum ridge count. Assume that each active (dominant) allele adds 18 ridges to the TRC of the male and 15 to the TRC of the females and that having the genotype aabbccdd produces a baseline TRC of 40 for males and 20 for females.

1 Predict the TRC for each of the following individual: (male and female)

AABBCCDD
AabbccDd
AaBBCcDD
aaBbCCDd

2.a Write the genotypes of parents who are heterozygous for all four genes

b. Write the genotype of the child who has the maximum number of dominant allele possible

c. what are the trc for the parents and their child (assume female child)

d. calculate the probability that these parents would produce a child with a maximum number of active alleles.

Reference no: EM132699557

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