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Homology, Genes, and Evolutionary Innovation

Günter P. Wagner

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691156460
eISBN:
9781400851461
Item type:
book
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691156460.001.0001
Subject:
Biology, Evolutionary Biology / Genetics

Homology—a similar trait shared by different species and derived from common ancestry, such as a seal's fin and a bird's wing—is one of the most fundamental yet challenging concepts in evolutionary ... More


“Missing Links” and the Evolution of Development

Marcelo Sánchez

in Embryos in Deep Time: The Rock Record of Biological Development

Published in print:
2012
Published Online:
September 2012
ISBN:
9780520271937
eISBN:
9780520952300
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520271937.003.0008
Subject:
Biology, Evolutionary Biology / Genetics

Many people are accustomed to thinking of the evolution of life in terms of a ladderlike progression, with a different animal on each rung. In the case of vertebrate evolution, they may envisage a ... More


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