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Homologous and Vestigial Structures10:21

Homologous and Vestigial Structures

Homology

Vertebrate anterior limb


Homology is a fundamental concept to the study of comparative biology, and a strong evidence in favor of evolution. It was first defined by Richard Owen in 1843 (Hall, 2012)

Homology refers to similar structures (or genes, or behaviors) of different organisms due to the same embryological origin. Those structures can or cannot perform the same function.



 .Examples

Vertebrate anterior limbs

Contrast with:Edit

Analogy and homoplasy


References:

- Hall, B. K. (2012). Homology, Homoplasy, Novelty, and Behavior. Developmental Psychobiology, 

http://bytesizebio.net/wp-content/uploads/2009/07/homology-limbs.jpg

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