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A fish with a 6 cm long tail and a fish with a 30 cm...

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Biology

A fish with a 6 cm long tail and a fish with a 30 cm long tailare bred. All of the F1s have tails that are 18 cm. The F1s wereinterbred and out of 256 F2 offspring, 1 had a 6 cm tail and 1 hada 30 cm tail. All other F2s had tails that ranged in length from 6to 30 cm in 3 cm intervals. Given these numbers, you suspect thatin these fish, tail length is inherited via polygenic quantitativealleles.

A) How many gene pairs are involved in inheritance of taillength?

B) How many F2 individuals would you predict to have a 9 cm longtail?

Answer & Explanation Solved by verified expert
4.4 Ratings (840 Votes)
A Four gene pairs are involved As questionsays 256 offsprings are produced in F2 so 256 is a square root of16 Total 16 gamets are produced by a single parent and in    See Answer
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