A) 1 : 1
B) 3 : 1
C) 1 : 3
D) 2 : 1
Correct Answer: C
Solution :
Baldness is common in humans. It may occur due to radiation effects, thyroid irregularities and other reasons, but a particular type pattern baldness is hereditary. Hereditary baldness is carried by a dominant autosomal gene, say B. All homozygous BB are bald whether these are men or women. Similarly, homozygous (bb) men and women are always nonblads. In case of heterozygous (E: individuals, however, baldness develops only in men and never in women, because the singleton dominant gene B expresses itself only when push of male hormones is available.You need to login to perform this action.
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