Principle Of Inheritance And Variation Question 394
Question: In Drosophila, the sex is determined by:
Options:
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.
Show Answer
Answer:
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.
BETA
