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jekas [21]
3 years ago
8

If a female who is a carrier for a sex-linked trait mateswith

Biology
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

B) 1/2

Explanation:

A sex linked trait is passed via sex chromosomes. Here the given trait is X linked recessive because female carrier is not possible for X linked dominant trait.  

For X linked recessive trait:

Carrier female = XCXc

Affected male = XcY

Their progeny:

        XC    Xc  

Xc   XCXc  XcXc

Y    XCY     XcY

Out of the sons, half will be not affected ( XCY ) and half will be affected  ( XcY )

Hence, half of the sons will express the trait.

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