![XY sex chromosomes were discovered by](https://www.gkseries.com/blog/wp-content/uploads/2022/02/XY-sex-chromosomes-were-discovered-by.png)
Q. XY sex chromosomes were discovered by
A. Mendel
B. R Brown
C. Nettie Stevens
D. MJD White
Answer: Nettie Stevens
A. Mendel
B. R Brown
C. Nettie Stevens
D. MJD White
Answer: Nettie Stevens
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