In Maize,the Genes W and D Are So Tightly Linked

question 51

Multiple Choice

In maize,the genes W and D are so tightly linked that virtually no crossovers occur between them.A dihybrid W d/w D is testcrossed to w d/w d.The percent of progeny with W-/D- phenotype will be:

• A)0.
• B)25.
• C)50.
• D)75.
• E)100.

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