NEET Biology question
Statement 1: In humans, the gamete contributed by the male determines whether the child produced will be male or female. Statement 2: Sex in humans is a polygenic trait, depending upon a cumulative effect of some genes on the X-chromosome.
Answer: (C)
Solution
Since the father carries both X and Y chromosomes, the sex chromosome (X or Y) contributed by his sperm determines whether the child is female or male, so Statement 1 is true;
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