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Egg and Fluffy are two linked bird genes that are 16 map units apart.The E allele of Egg produces large eggs and the e allele produces small eggs (E is dominant).The F allele produces fluffy feathers and the f allele produces nonfluffy feathers (F is dominant).
-If EEFF is crossed with eeff,what proportion of female offspring will produce large eggs and fluffy feathers?
A) 8 percent
B) 16 percent
C) 42 percent
D) 84 percent
E) 100 percent

Question

Quizplus · Accepted Answer

The EEFF x eeff cross produces EeFf offspring. Since the genes are linked and 16 map units apart, 16% of offspring will be recombinant (EeFf or eeff), and 84% will be parental (EEFF or eeff). Thus, 84% will have large eggs and fluffy feathers.

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