W wiseman/guru Guest Feb 25, 2009 #2 All chromosomes have different sizes, because of the number of genes they carry. The X-chromosome is bigger because it is a ¼ larger than the Y. Females need a few, baby, birth, ovulation, and period control genes. Peace.
All chromosomes have different sizes, because of the number of genes they carry. The X-chromosome is bigger because it is a ¼ larger than the Y. Females need a few, baby, birth, ovulation, and period control genes. Peace.