Section 6
Chapter 5,521

Genotypic evolution in the face of phenotypic conservativeness abudefduf pomacentridae from the atlantic and pacific sides of panama

Gorman, G.C.; Kim, Y.J.

Copeia 4: 694-697


ISSN/ISBN: 0045-8511
DOI: 10.2307/1443168
Accession: 005520555

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A. saxatilis and A. troschelii from the Atlantic and Pacific sides of Panama are geminate species that show little morphological differentiation. Absolute differences occur at 7 of 28 enzyme loci. The clock hypothesis suggests a divergence time of 5 million yr. Genotypic evolution of enzyme loci appears to be a function of time and uncorrelated with the rate of morphological evolution.

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