KCET 2008 Biology Solved Paper

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Question : 28 of 60

Marks: +1, -0

Excessive growth of hair on the pinna is a feature found only in males because

The gene responsible for the character is recessive in females and dominant only in males
The character is induced in males as males produce testosterone
The female sex hormone estrogen suppresses the character in females
The gene responsible for the character is present on the Y chromosome only

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