Multiple choice

In Maharashtra, in a small nuclear family, red nose proved to be an inherited trait due to a single genetic locus. The man's mother and one sister also had red nose but his father, his brother and two other sisters had normal nose. The man and his normal-nosed wife had seven children, including four boys and three girls. Two girls and two boys had red nose. The red nose trait is most probably

  1. autosomal dominant

  2. autosomal recessive

  3. sex-linked dominant

  4. sex-linked recessive
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A Correct answer
Explanation

Since this genetic trait has been passed from generation to generation from both fathers to daughters and mothers to daughters, therefore it is typically autosomal dominant trait.

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