Principle Of Inheritance And Variation Question 438
Question: In the buccal cavity slide cell of an individual we get a dark stained body near nuclear membrane. The genotype of the individual may be [DPMT 1983]
Options:
A) XX
B) XY
C) XYY
D) XXX
Show Answer
Answer:
Correct Answer: A
Solution:
Accroding to genetic balance theory, the ratio of x-chromosomes and autosomes is operative in determining sex in Drosophila.
For male ratio is .50 and for female 1.00.
The ratio increases in superfemales and decreases in supermales.
BETA
