Evolutionary Genomics: a Dinosaur's View of Genome-size Evolution

Overview

Journal Curr Biol

Publisher Cell Press

Specialty Biology

Date 2007 Jun 21

PMID 17580079

Citations 4

Authors

Hans Ellegren

Affiliations

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Abstract

Estimates of cell volume in fossilized bones of extinct dinosaurs indicate that genome size underwent a significant reduction in the early theropods, from which birds later evolved. This suggests that birds' small genomes are not an adaptation to metabolic demands associated with flight.

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