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A polygenic trait is controlled by 3 g...

A polygenic trait is controlled by 3 genes A, B and C . In a cross AaBbCc `xx` AaBbCc, the phenotypic ratio of the offsprings was observed as
`1:6:x:20:x:6:1`
What is the possible value of x ?

A

Homo habilis

B

Homo neanderthalensis

C

Homo erectus

D

Ramapithecus

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The correct Answer is:
B
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