Download now. Open iCloud for Windows and sign in with the Apple ID you used to create your iCloud account. Select the iCloud services youâd like to enable and click Apply. When you enable iCloud Drive and Photos, iCloud for Windows creates new folders for those files in Windows Explorer.
More than 95% of the Y chromosome is male-specific (4) and a single copy of the Y chromosome is able to induce testicular differentiation of the embryonic gonad. The Y chromosome acts as a dominant inducer of male phenotype and individuals having four X chromosomes and one Y chromosome (49XXXXY) are phenotypically male. (5) When a Y chromosome is present, early embryonic testes develop around the 10th week of pregnancy.
There are half as many chromosomes in gametes as in somatic or body cells. Since humans have 46 chromosomes in their body cells, male gametes have half as many, or 23 chromoso â¦ mes. (Assuming you're asking about male humans).2 people found this useful.Answered.ince humans have 46 chromosomes in their body cells, male gametes have half as many, or 23 chromoso â¦ mes. (Assuming you're asking about male humans). 2 people found this useful. Answered.