Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In Drosophila, the sex is determined by
BiologyPrinciples of Inheritance and VariationNEET
Options:
  • A Whether the egg is fertilized or develops parthenogenetically
  • B The ratio of the 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
Solution:
1267 Upvotes Verified Answer
The correct answer is: The ratio of the number of X-chromosomes to the sets of autosomes
Calvin Bridges demonstrated that in Drosophila, the sex is determined by the ratio of the number of X chromosomes to the sets of autosomes.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.