Question

Let’s say that this teacher receives her wish of finding a hairless guinea pig at a pet store and names her Genevieve. She finds another guinea pig at a store with hair that she names Fred. While she can be certain of Genevieve’s genotype, how could she determine what genotype Fred is? She can do a test cross! A test cross involves breeding an organism with a dominant trait (like Fred) with an organism that exhibits a recessive trait (like Genevieve).

9. Genevieve has the genotype ___________.

10. Fred’s genotype could be ________

11. If Fred was genotype __________ and bred with Genevieve…

12. Please draw Punnett Square below to show prediction for offspring.

Answer 1

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