53.Presence of XX or XY chromosomes in Zygote depends on A. The sperm carrying X chromosome fertilized the ovum B. The sperm carrying Y chromosome fertilized the ovum C. The sperm without any chromosome fertilized the ovum. D. The sperm carrying X or Y chromosomes fertilized the ovum.
Option D. Pressence of XX and XY chromosomes in zygote depends on the sperm carrying X or Y chromosomes fertilised the ovum
