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When a human egg is fertilized by a sperm having ‘Y’ chromosome, the zygote has the following combination of chromosomes :
- (a)44 + XX
- (b)22 + XX
- (c)44 + XY
- (d)22 + XY
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(C)/ 44 + XY (1 Mark)
When a human egg is fertilized by a sperm having ‘Y’ chromosome, the zygote has the following combination of…
CBSE Class 10 Science PYQ · Heredity · Sex determination · 1 Mark · March 2026 · Standard
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