Genetic study shows major impact of climate change on Antarctic fur seals
Genetic ... food source for the seals is Antarctic krill. Decades of data collected at South Georgia show how changes in the seal population have occurred over time with changes in krill availability. Even if krill is very abundant, environmental variation ...
Tandem repeats and morphological variation
What we currently think is a major source of morphological diversity ... That there would be this substantial amount of genetic variation in tandem repeat number isn’t at all surprising. Tandem repeats are subject to very high mutation rates, up to ...
Unusual genetic structure confers major disease resistance trait in soybean
soybean is one of the most important sources of protein and food oil." The nematode is a tough opponent, able to live for years in the soil, and chemicals that kill it are highly toxic and persistent, Bent says. Planting soybeans bred to contain a genetic ...
Cryptic simplicity in DNA is a major source of genetic variation
Department of Genetics, University of Cambridge, Cambridge CB2 3EH, UK * Present addresses: Max-Planck-Institut für Entwicklungsbiologie, Spemannstrasse 35/II, D-7400 Tübingen, FRG (D.T.); Plant Breeding Institute, Maris Lane, Cambridge CB2 2LQ, UK (M.T.).
Mexican genetics study reveals huge variation in ancestry
The genetic diversity of Mexican populations ... In terms of genetics, it's the difference between a neighborhood and a precise street address." The researchers focused on Mexico as one of the largest sources of pre-Columbian diversity, with a long history ...