Answer to Question #146155 in Biology for Mindy

Question

A couple is planning to have children. The male is heterozygous for huntingtons disease and homozygous dominant for Tay-Sachs. The couple is curious about the possibility and probability of their offspring inheriting Tay-Sachs and/or Huntingtons. Huntingtons disease is dominant over the normal condition(h), and the normal condition is dominant(T) over Tay-Sachs(t). Complete a punnett square for this cross and determine the phenotypic ratios for the couple having a normal child(no disease), Tay-Sachs but no Huntingtons, Huntingtons but no Tay-Sachs, and both Huntingtons and Tay-Sachs.

Answer 1

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