Gujarati
4.Principles of Inheritance and Variation
medium

Given is : $X$ is the chromosome with gene for haemophilia and $X$ is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia

A

$X^hY$

B

$X Y$

C

$X^hX^h$

D

$X^hX$

Solution

(d)When both the chromosomes bear genes for disease i.e. in homozygous condition, only then the character will be expressed otherwise the individual will act as a carrier.

Standard 12
Biology

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