NEET Biology question
Observe the sex determination in the following columns.
| Column I | Column II | |---|---| | (A) Male heterogamety | (1) Human XY | | (B) Female heterogamety | (2) Hen ZW | | (C) Male homogamety | (3) Drosophila XY | | | (4) Grasshopper XO | | | (5) Birds ZZ |
Answer: (A)
Solution
Male heterogamety (the male being the heterogametic sex) is seen in humans (XY), *Drosophila* (XY), and grasshoppers (XO), matching A(1, 3, 4); female heterogamety (the female being heterogametic) is seen in
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