Which of the following traits is never observed in human females?
A
Hypertrichosis
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B
Haemophilia
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C
Colour blindness
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D
Myopia
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Solution
The correct option is A Hypertrichosis Hypertrichosis is the condition in which there is abnormal growth of hair over the body. The growth of hair may be present all over the body or localized at certain places. This condition is due to excessive production and release of androgens. Androgens are the male hormones which are responsible for development of male sexual characters. This condition may also be congenital due to recessive X-linked inheritance. The females will always be carrier and unaffected, but the males are affected.