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Help In Bio!!!!?

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Which of the following crosses will yeild 4 phenotypes in the 1:1:1:1 ratio?

A) RRYY x RRYY

B) RRYY x rryy

C) RrYy x RrYy

D) RrYy x rryy

E) rryy x rryy

Thank you!!!

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1 ANSWERS


  1. D) Produces RrYy,Rryy,rrYy & rryy.

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