Y chromosome carrying spermatozoan fertilize an ovum to. Biomedical sciences division, l-452, lawrence livermore national laboratory, university of california. Thus, the process of y degradation continues. This wimp y chromosome is disappearing fast, and, indeed, its future looks grim. A non-fertilized egg may develop into a male.
The y chromosome – higher tier
On x or y bearing spermatozoan. The uterus would be tipped in favor of boys. Cell division, which results in the divided cells having half the number of chromosomes as the parent, or progenitor, cells.