In the United States, more than 11% of men under the age of 49 are infertile. While the causes are varied and range from ...

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A genetic mutation in mice affects cells required for sexual reproduction and holds clues about male infertility that could pave the way for new treatments and male contraceptives, a Rutgers ...

They are formed in a woman's body before birth and have to be on standby for decades to possibly be fertilized one day. But ...

Meiosis is the generation of germ cells (eggs and sperm). In meiosis, DNA replication is followed by two division cycles: meiosis I, which segregates homologous chromosomes and meiosis II ...

Tight control over the location and timing of DNA cleavage in meiosis has further benefits beyond limiting DNA damage — for example, increasing control over subsequent steps in meiotic ...