MCQ
Who discovered, sex chromosome, Y chromosome?
  • A
    Robert Brown
  • B
    M. J. D White
  • C
    Nettie Stevens
  • D
    G. J. Mendel

Answer

  1. Nettie Stevens

Explanation:

Nettie Maria Stevens was an early American geneticist. She and Edmund Beecher Wilson were the first researchers to describe the chromosomal basis of sex.

She identified the Y chromosome in the mealworm, Tenebrio. She deduced the chromosomal basis of sex depended on the presence or absence of the Y chromosome.

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