Evolutionary selection against change in many Alu repeat sequences interspersed through primate genomes.

Abstract excerpt

Mutations have been examined in the 1500 interspersed Alu repeats of human DNA that have been sequenced and are nearly full length. There is a set of particular changes at certain positions that rarely occur (termed suppressed changes) compared to the average of identical changes of identical nucleotides in the rest of the sequence. The suppressed changes occur in positions that are clustered together in what...

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