Statement I: XO condition in Turner’s syndrome determines female sex Statement II: Homozygous XX produce male in Drosophila.

Question

Statement I: XO condition in Turner’s syndrome determines female sex Statement II: Homozygous XX produce male in Drosophila. (A) Only statement I is correct (B) Only statement II is correct (C) Both statements I and II are correct (D) Both statements I and II are incorrect

Tardigrade Admin · Accepted Answer

Heterozygous XY condition produce male in Drosophila. In humans, XX chromosomal condition determines the female sex. XO condition in Turner’s syndrome determines female sex but the females are sterile due to absence of one X chromosome.

Q. Statement I : $XO$ condition in Turner’s syndrome determines female sex
Statement II : Homozygous $XX$ produce male in Drosophila.

Only statement I is correct

Only statement II is correct

Both statements I and II are correct

Both statements I and II are incorrect

Heterozygous $X Y$ condition produce male in Drosophila.
In humans, $XX$ chromosomal condition determines the female sex. $XO$ condition in Turner’s syndrome determines female sex but the females are sterile due to absence of one $X$ chromosome.

Q. Statement I : XO condition in Turner’s syndrome determines female sex Statement II : Homozygous XX produce male in Drosophila.