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17 Σεπ 2018 · Gene flow is the exchange of alleles between two or more populations. For this reason it is sometimes referred to as allele flow or gene migration. While migrating animals often carry new alleles from one population to another, they must interbreed with the new population for gene flow to occur.
2 Δεκ 2020 · A gene flow example in an animal or in a plant is key to understanding the way evolution works. Discover different ways it occurs with our list of examples.
16 Φεβ 2024 · Islands provide excellent examples of gene flow in action. Island populations often experience limited gene flow due to the surrounding water acting as a barrier. This isolation can lead to the development of unique species with distinct genetic traits.
3 Αυγ 2023 · Gene Flow Examples in Animals A Maine coon cat, when mates with wild tabby cats, some of the kittens will have bushy tails and tufted ears as a result of gene flow. Red parrots, when brought to a remote section of the jungle with only blue parrots, introduce color variation into the gene pool of jungle parrots.
The genetic variation in modern human populations has been critically shaped by gene flow. For example, by sequencing ancient DNA, researchers have reconstructed the entire Neanderthal genome – and they’ve found that many snippets of these archaic sequences live on in modern humans.
Examples. Marine iguana of the Galapagos Islands evolved via allopatric speciation, through limited gene flow and geographic isolation. While gene flow can greatly enhance the fitness of a population, it can also have negative consequences depending on the population and the environment in which they reside.
Gene Flow homogenizes differences among populations that arise due to chance fluctuations in allele frequencies (genetic drift) or to the action of natural selection in different populations. In other words, Gene Flow opposes