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Tag: "fertile" at biology news

Manipulating nature: Scientists query wildlife birth-control method

... around the world, 10 per cent of animals remained fertile because they were unresponsive to self-antigens. His second concern is that the technique is effectively a form of genetic engineering: "Immunocontraception alters the gene pool of the targeted species because those animals who are unresponsive ar...

Cold sore virus might play role in Alzheimer's disease

...f the gene that puts people at risk also creates a fertile environment for herpes in the brain, allowing the virus to be more active than other forms of the ApoE gene permit. Scientists have known for more than 15 years that the ApoE-4 gene is a player in Alzheimer's disease, but the idea that it works in...

Researchers find gene mutation that causes infertility in male mice

...h parent) is dominant; females who carry it remain fertile but carry the defect and pass the mutation on to future generations. However, female carriers show higher rates of abnormalities during meiosis, which can potentially cause chromosome imbalances and birth defects, the researchers discovered. In add...

Female chimps keep the bullies at bay

...untains National Park in Tanzania, synchronize the fertile period of their reproductive cycles.** The auth...social and physical attributes, will mate with the fertile females. These sought-after characteristics could be inherited by their offspring. ...

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