A genetic tug-of-war between the sexes begets variation

In species with sexual reproduction, no two individuals are alike, and scientists have long struggled to understand why there is so much genetic variation. In a new study published in Nature Ecology & Evolution, a team of ...

Faster heartbeat helps deer mice to survive at high altitudes

Mice living at high altitudes in the American West carry a genetic variant that increases their heart rate, helping them cope with the low oxygen levels that occur at high elevations. Rena Schweizer of the University of Montana ...

Genetic patterns associated with plant immunity

Genomic information from plants can be used to enhance agricultural production and improve food security in a sustainable manner. Through better understanding of the relationship between a plant's genetic information and ...

Getting revegetation right with genetics

Eucalypts, wattles, banksias, grevilleas and other Australian native plants are some of the most fascinating and unique flora on Earth.

How the Texas puma saved the Florida panther

Scientists have pieced together the first complete picture of the Florida panther genome—work that could serve to protect that endangered population and other endangered species going forward.

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Genetic variation

Genetic variation, variation in alleles of genes, occurs both within and among populations. Genetic variation is important because it provides the “raw material” for natural selection.

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