If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is

Options

A. Autosomal dominant
B. Autosomal recessive
C. Sex-linked dominant
D. Sex-linked recessive

Answer

D

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.: (i) Haemophilia/Bleeder.s disease (ii) Colourblindness (iii) Congenital night blindness (iv) DMD (Duchenne.s Muscular Dystrophy) (v) G-6-P dehydrogenase deficiency