Botany-Sex Determination
NEET Botany Sex Determination MCQ Question
Type: MCQ-numerical-Medium-Class 12
In a bird species where sex determination follows the ZW system, what is the probability of an offspring being female if the mother is ZW and the father is ZZ?
A
50%
B
25%
C
75%
D
100%
Correct Answer
Option A
Detailed Explanation
In the ZW system, females are ZW and males are ZZ. A ZW mother can produce Z or W gametes, and a ZZ father can only produce Z gametes. The possible combinations are ZZ (male) and ZW (female), each with a 50% probability.
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