For the purposes of this question, assume that being Rh+ is a consequence of D and that Rh- individuals are dd. The ability to taste phenylthiocarbamide (PTC) is determined by the gene symbolized T (tt are nontasters)
A female whose mother was Rh- has the MN blood group, is Rh+, and a nontaster of PTC, and is married to a man who is MM, Rh-, and a nontaster. List the possible genotypes of their children. Assume that all the loci discussed in this problem are autosomal and independently assorting.
MMDdtt, MMddtt, MNDdtt, MNddtt
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