Which one of the following conditions correctly describes the manner of determining the sex in the given example?

Question

Which one of the following conditions correctly describes the manner of determining the sex in the given example? (A) Homozygous sex chromosomes (ZZ) determine female sex in birds. (B) XO type of sex chromosomes determine male sex in grasshopper. (C) XO condition in human as found in Turner syndrome, determiners female sex. (D) Homozygous sex chromosomes (XX) produce male in Drosophila.

Tardigrade Admin · Accepted Answer

In grasshopper, the males lack a Y-sex chromosome and have only an X-chromosome. They produce sperm cells that contain either an X-chromosome or no sex chromosome, which is designated as O. Here, an unfertilized egg develops into a male.

Q. Which one of the following conditions correctly describes the manner of determining the sex in the given example?

Homozygous sex chromosomes (ZZ) determine female sex in birds.

XO type of sex chromosomes determine male sex in grasshopper.

XO condition in human as found in Turner syndrome, determiners female sex.

Homozygous sex chromosomes (XX) produce male in Drosophila.

In grasshopper, the males lack a Y-sex chromosome and have only an X-chromosome. They produce sperm cells that contain either an X-chromosome or no sex chromosome, which is designated as O. Here, an unfertilized egg develops into a male.