Question:
If sex index ratio in Drosophila is 0.33, the sexual phenotype of it is:
If sex index ratio in Drosophila is 0.33, the sexual phenotype of it is:
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Drosophila's sex determination follows the X:A ratio principle. If X/A < 0.5, it results in a metamale.
Updated On: Mar 6, 2026
- Metamale
- Metafemale
- Female
- Intersex
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Sex Index Ratio
- Sex determination in *Drosophila* depends on the X/A ratio (number of X chromosomes to autosome sets).
- A sex index of 0.33 indicates Metamale.
- Sex determination in *Drosophila* depends on the X/A ratio (number of X chromosomes to autosome sets).
- A sex index of 0.33 indicates Metamale.
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