Each of two parents has the genotype brown/red, which consists of the pair of al

Question

Each of two parents has the genotype brown/red, which consists of the pair of alleles that determine hair color, and each parent contributes one of those alleles to a child. Assume that if the child has at least one brown allele, that color will dominate and the childs hair color will be brown. List the different possible outcomes. Assume that these outcomes are equally likely. What is the probability that a child of these parents will have the red/red genotype? What is the probability that the child will have brown hair color? List the possible outcomes. brown/brown, brown/red, and red/red O brown/red and red/brown brown/brown, brown/red, red/brown, and red/red brown/brown and red/red The probability that a child of these parents will have the red/red genotype is ____. (Round to two decimal places as needed.) The probability that the child will have brown hair color is ______. (Round to two decimal places as needed.)

Explanation / Answer

Total sample space = 4

A) Option-C

B) P(red/red) = 1/4 or 0.25

C) P(child will have brown hair) = P(atleast 1 brown)

= P(brown/brown) + P(brown/red) + P(red/brown)

= 1/4 + 1/4 + 1/4

= 3/4 or 0.75

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