Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 23 - Evolution of Genes and Genomes - 23.3 - Lateral Gene Transfer and Gene Duplication Can Produce Major Changes - 23.3 Recap - Learning Outcomes - Page 500: 3

Answer

Concerted evolution occurs when the multiple copies of rRNA genes are evolving in concert with one another within a given species. Ribosomal RNA genes evolve and differences accumulate in the rRNA genes within a species. However, within any one species, the copies of the rRNA genes are both structurally and functionally very similar. Concerted evolution can be the result of unequal crossing over In meiosis.

Work Step by Step

Concerted evolution occurs when the multiple copies of rRNA genes are evolving in concert with one another within a given species. Ribosomal RNA genes evolve and differences accumulate in the rRNA genes within a species. However, within any one species, the copies of the rRNA genes are both structurally and functionally very similar. Concerted evolution can be the result of unequal crossing over In meiosis.
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