Gujarati
Hindi
4.Principles of Inheritance and Variation
normal

The recessive genes located on $X$-chromosome in humans are always

A

Lethal

B

Sub-lethal

C

Expressed in males

D

Expressed in females

Solution

The recessive genes located on $X$-chromosome in humans are always expressed in males because a female may be homozygous or heterozygous, while male is always hemizygous ($i.e.,$ only one allele is present).

Standard 12
Biology

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