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05/01/2022 6:20 pm
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If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is
(a) Autosomal dominant
(b) Autosomal recessive
(c) Sex-linked dominant
(d) Sex-linked recessive
1 Answer
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05/01/2022 6:22 pm
Correct answer:(d) Sex-linked recessive
Explanation:
Sex-linked recessive disease: A genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny.
E.g.:
1. Haemophilia/Bleeder’s disease
2. Colour-blindness
3. Congenital night blindness
4. DMD (Duchenne’s Muscular Dystrophy)
5. G-6-P dehydrogenase deficiency