Multiple choice

What determines the sex of an individual?

  1. The sperm cell

  2. Number of chromosomes

  3. Autosomal chromosomes

  4. Size of the chromosomes
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A Correct answer
Explanation

In humans, sex determination depends on which type of sperm fertilizes the egg. Sperm carry either X or Y chromosomes, while eggs always carry X. An X sperm produces XX (female), while a Y sperm produces XY (male).

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