HardBotanyPrinciples of Inheritance & Variation
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In which organism is the male heterogametic (XY)?
A
Birds
B
Humans and Drosophila
C
Grasshopper
D
Both B and C
Explanation
In humans and Drosophila, males are XY. In grasshoppers, males are XO. In both cases, the male produces two types of gametes, making them heterogametic.
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