Sentences with phrase «limit gene flow»

One involves engineering reproductive isolation (speciation) between populations that can otherwise interbreed, so as to limit gene flow; a second involves creating genetic methods that can, reversibly, drive populations of invasive species and / or vectors of disease to local extinction; a third involves creating genetic methods that can drive — in ways that are easily reversible — the spread of beneficial genes into wild insect populations so as to prevent the spread of vector - borne disease.

Body paint is just one of the ways different cultures, such as these highlanders from Papua New Guinea, distinguish themselves — and, perhaps, limit gene flow.

In addition to expanding the ecological and species distribution data, they want to better understand the factors that limit gene flow and the giraffes» differentiation into four species and several subspecies.

Still, the problem of limited gene flow in a small population remained.

And the paradigm of limited gene flow in plants began to crumble.»

The regional differentiation between African and Asian H. erectus populations, and the eventual transition of the former into H. heidelbergensis, and between H. sapiens and H. neanderthalensis suggests that there was limited gene flow between Africa and Asia.

Not exact matches

Large genetic distance, multiple genetically fixed nucleotide site differences, morphological and habitat distinctions, and extremely limited hybridization of gene flow between forest and savannah elephants support the recognition and conservation management of two African species: Loxodonta africana and Loxodonta cyclotis.

«When I first started doing plant paternity studies in the 1980s,» Ellstrand comments, «our lab assumed that gene flow was limited.

Meanwhile, other studies have found that language differences restricted gene flow in recent times in Europe, suggesting that cultural barriers might have limited genetic diversity more consistently than occasional local bottlenecks.