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In a cross between negro and albino skin...

In a cross between negro and albino skin colour of humans showing polygenic inheritance, the phenotypic ratio in `F_(2)` generation will be

A

`9:3:3:1`

B

`1:6:15:20:15:6:1`

C

`1:4:6:4:1`

D

`1:2:2:4:1:2:1:2:1`

Text Solution

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The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-PRINCIPLES OF INHERITANCE & VARIATION-Principles Of Inheritance & Variation
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  2. In polygenic inheritance

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  4. What proportion of the offsprings obtained from cross AABBCC xx AaBbCc...

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  9. Genes with multiple phenotypic effects are known as

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  10. When a single gene influences more then one trait it is called

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  11. Pleiotropic genes have

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