Scientists use dna to track the migration of humans across the planet. after a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. therefore, dna samples taken from would have the most unique mutations, representing the most recent population to migrate to a new area.
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Biology, 22.06.2019 00:00, nicolemaefahey
Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating
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Biology, 22.06.2019 04:00, tejasheree
Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti
Answers: 1
Scientists use dna to track the migration of humans across the planet. after a group migrates away f...
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