2
Question
Based on the experiments conducted by Bridges on Drosophila, the female sex of Drosophila is determined by the genes located on which chromosome?
Based on the experiments conducted by Bridges on Drosophila, the female sex of Drosophila is determined by the genes located on which chromosome?
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Solution
The correct option is D X
Sex determination in Drosophila is governed by ratio of X chromosomes to number of sets of autosomes. The female determinant genes are present on the X chromosome and the male determinant genes are on the autosomes. The Y chromosome is not involved in determining sex but carries the genes that are active in forming sperm in adults. Hence, correct option is D.
Sex determination in Drosophila is governed by ratio of X chromosomes to number of sets of autosomes. The female determinant genes are present on the X chromosome and the male determinant genes are on the autosomes. The Y chromosome is not involved in determining sex but carries the genes that are active in forming sperm in adults. Hence, correct option is D.
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