A) Homozygous sex chromosomes (XX) produce male in Drosophila
B) Homozygous sex chromosomes (ZZ) determine female sex in birds
C) XO type of sex chromosomes determine male sex in grasshopper
D) XO condition in humans as found in Turner syndrome determines female sex
Correct Answer: C
Solution :
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 designed as O.
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