In Drosophila, the sex is determined by: – McqOptions

MCQOPTIONS

1.	In Drosophila, the sex is determined by:
A.	whether the egg is fertilised or develops parthenogenetically.
B.	the ratio of number of X-chromosomes to the sets of autosomes.
C.	X and Y chromosomes.
D.	the ratio of pairs of X-chromosomes to the pairs of autosomes.
Answer» C. X and Y chromosomes.

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