IVF babies have higher risk of defects due to epigentics

Ivf babies are at more risk of diseases such as diabetes and obesity as well as rare metabolic disorders.

These changes are not in tthe genes but in the mechanism that switches genes on and off.

Ancient DNA found in Alaskan soil samples

Researchers took samples from seven permafrost layers  dating from 12,000 to alout 7,500 years ago from a site on the yukon river valley in central alaska.

The researchers reported that they found mitochondrial DNA from bison,horse, mammoth,moose and snowshoe hare.

genes associated with colon cancer

Park2 gene as well as fast aceylation version of the Nat-2 gene are associated with colon cancer.

Genes associated with the liver and liver associated diseases

A PNPLA3 variant(rs738409) is believed to be associated with alcoholic liver disease and liver cirrhosis.

HIV genetics

Researchers have discovered a sequence that appears to have originated in ancient cats.

It was once suggested that HIV started in tigers or lions,then spread to monkeys,then humans.

Maize/sweetcorn genetics

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A draft of the maize genome has been published.

Maize was first domesticated about 9,000 tears ago

Genetics of lake malawi cichlids

The orange-blotch pattern of some cichlids is due to a mutation in the pax7 gene.