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Ray Of Light [21]
3 years ago
15

What causes new traits to develop? * 9 points

Biology
1 answer:
klasskru [66]3 years ago
6 0
“New traits can also come from transfer of genes between populations, as in migration, or between species, in horizontal gene transfer. Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.”
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