2. Questions Bank
  3. NEET
  4. Biology
  5. Principle Of Inheritance And Variation

NEET Biology Principle Of Inheritance And Variation Question Bank Self Evaluation Test - Principles of Inheritance and Variation

  • question_answer
    In Drosophila, the sex is determined by:

    A) whether the egg is fertilised or develops parthenogenetically.

    B) the ratio of 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.

    Correct Answer: B

    Solution :

    [b] Calvin Bridges demonstrated that in Drosophila, the sex is determined by ratio of the number of X chromosomes to the sets of autosomes.


You need to login to perform this action.
You will be redirected in 3 sec spinner