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Science-Related Homework Help High School Level Science Topic started by: amer157 on Nov 28, 2011



Title: Consider the following hypothetical case:
Post by: amer157 on Nov 28, 2011
In some birds, a dominant gene is lethal.  When a homozygous dominant gene is lethal, a heterozygous condition results in short and crooked wings, and a bird that is homozygous recessive is normal in wing structure.

What is the phenotype ratio if two heterozygous short and crooked-wing birds were crossed?

A. 3 : 1
B. 1 : 1
C. 2 : 1
D. 1 : 2 : 1


Title: Re: Consider the following hypothetical case:
Post by: itseasy on Nov 28, 2011
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