Sex Determination in Drosophila MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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Sex Determination in Drosophila is considered one of the most asked concept.
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16 Questions around this concept.
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EASYHow many chromosomes does Drosophila have?
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Sex Determination in Drosophila
- Sex in Drosophila is determined by genic balance mechanism.
- Drosophila has eight chromosomes, in which six are autosomes and are common to both males and females.
- The fourth pair is of sex chromosomes. In males, these are represented by XY and in females as XX.
- Genic balance theory, proposed by Calvin Bridges states that sex is determined by the genic balance or ration between X-chromosome and autosome (X:A).
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