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Unformatted text preview: Biology 202 NAME: Fall 2007 T.A.: Homework 6 Discussion Section #: Due: October 4 or 5 1. (2 pts) In humans, the three alleles I A , I B , and i constitute a multiple allele series that determines the ABO blood system. For the following problems, state whether the child mentioned can actually be produced from the marriage. Explain your answer in one or two sentences. a. an O child from the marriage of two A individuals Yes, if both parents are I A i b. an O child from the marriage of an A to a B. Yes, if the A parent is I A i and the B parent is I B i c. an AB child from the marriage of an A to an O No, as neither parent has an I B allele d. an O child from the marriage of an AB to an A No, as an O child must obtain an i allele from each parent, and one parent is I A I B . 2. (2 pts) In shorthorn cattle, the heterozygous condition of the alleles for red coat color ( C R ) and white coat color ( C W ) is roan coat color (both red and white hairs are seen)....
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