Two new landmark studies show how a seeming tangle of DNA is actually organized into a structure that coordinates thousands ...

New research suggests that childhood trauma leads to a difference in the epigenetics of a sperm cell, which can impact a child's development and also be passed on by that child via epigenetic ...

Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are ...

If you look at a mouse sperm cell through a microscope ... as Hook was taking videos of a sample of Peromyscus leucopus sperm in a petri dish to document their size and speed, she noticed that the ...