MCQ
In human beings, multiple genes are involved in the inheritance of
- AColourblindness
- BPhenylketonuria
- CSickle-cell anaemia
- ✓Skin colour
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$(A)$ Linked genes cause absolute lethality
$(B)$ Persons affected by $PKU$ do not show mental disorder
$(C)$ $F_{2}$ ratio in codominance and incomplete dominance are same
$(D)$ Sex of male Drosophila is dependent on $Y-$chromosome
