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Question
Biology
XY sex chromosomes were discovered by
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Q. $XY$ sex chromosomes were discovered by
Principles of Inheritance and Variation
A
Gregor Johann Mendel
29%
B
M.J.D. White
13%
C
Nettie Stevens
46%
D
Robert Brown
12%
Solution:
$XY$ sex chromosomes were discovered by Nettie Stevens.