A physics-based sperm-screening technique could offer a more accurate at-home test for people trying to conceive ...

View Full Profile. Learn about our Editorial Policies. If you look at a mouse sperm cell through a microscope, as postdoctoral researcher Kristin Hook did hundreds of times while working in Heidi ...

While using a light microscope to study sperm formation in wasps, Henking noticed that some wasp sperm cells had 12 chromosomes, while others had only 11 chromosomes. Also, during his observation ...

Below the basic structure is shown in the same animal cell, on the left viewed with the light microscope ... The head of the sperm contains the genetic material for fertilisation.