MCQ
Who discovered, sex chromosome, Y chromosome?
- ARobert Brown
- BM. J. D White
- CNettie Stevens
- DG. J. Mendel
✓
Answer
- 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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