A) Sex determination - A chromosomal phenomenon
B) Red-green colour blindness in human - A sex linked character
C) Y-chromosome - Autosomal
D) An abnormal chromosome - A case of polyploidy (number in each cell)
Correct Answer: C
Solution :
Y-Chromosome autosomal Y-chromosome are sex-chromosome. Presence of Y-chromosome in human is the indication of male individual. Normal male individual will have 44 autosomes (22 pairs) + XY (sex chromosomes).
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