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प्रश्न
Sex-linked diseases are more prominent in men because ______.
विकल्प
they have more number of genes
their genes are dominant
they have less number of genes
their genes are recessive
MCQ
रिक्त स्थान भरें
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उत्तर
Sex-linked diseases are more prominent in men because they have less number of genes.
Explanation:
Males are hemizygous (XY) and have only one X chromosome (meaning they have a lesser number of X-linked genes/alleles compared to (XX) females). Because there is no second X chromosome to mask it, a single recessive gene expresses itself fully and causes the disease.
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