Unformatted text preview: in Character complexes , or they may vary independently = Mosaic evolution of characters. Skin, eye and hair color all vary together in humans. Is this three characters or one (pigmentation)? Morphological and molecular characters may not evolve together, in a mosaic fashion (reading in section next week). Different characters may suggest different patterns of relationships (see fig. 14.3, pg. 377), again an example of mosaic evolution. Homologous characters = characters sharing a common genetic and developmental history. Ancestor and descendant are linked by intermediate forms having the same character. These characters are the basis of determining a true phylogeny...
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This note was uploaded on 11/06/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.
- Fall '10