A) Allium cepa
B) Drosophila
C) Humans
D) Grasshoppers
Correct Answer: B
Solution :
Balance theory of sex determination was given by C. B. Bridges (1922) in Drosophila. According to this theory, ratio of X chromosomes and autosomes: stimulated the genes; to show their expression.You need to login to perform this action.
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