4.Principles of Inheritance and Variation
medium

Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is hetrozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X-$linked as well as autosomal allele is

A

$\frac{1}{4}$

B

$\frac{1}{16}$

C

$\frac{1}{2}$

D

$\frac{1}{8}$

Solution

$A ^{ h } A ^{ C } X ^{ h } Y \rightarrow$

$A ^{ C } X ^{ h } \rightarrow \frac{1}{2}$

$A ^{ C } Y \rightarrow \frac{1}{2}$

Standard 12
Biology

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