A cross of two Kerry horses always produces Kerry offspring. A cross of a Kerry with a Dexter produces 1/2 Kerry

and 1/2 Dexter offspring. Crosses of two Dexters produce two Dexters for every Kerry. Explain. What will be an ideal response?


ANSWER: Kerry is homozygous (DD), Dexter is heterozygous (Dd), dd is lethal.

Biology & Microbiology

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