In humans, sex is determined by
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
- A Two homologous chromosomes
- B A dominant gene for maleness present in a male
- C Two similar sex chromosomes in the male and dissimilar in the female
- D The differences in the nature of the X and Y chromosomes in the male.
Correct Answer: Option B
Explanation:
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