[Molecular-evolution] Human Chromosome Two: Evidence of First-degree Consanguity in Human Evolution

Ron Larson via mol-evol%40net.bio.net (by rlarson At umich.edu)
Mon Jan 1 10:22:45 EST 2007

Dear Dr. Rowell,

I read your interesting reply to Jamie Love's question about  
chromosome 2 fusion in humans and the necessity, or lack of it,  for  
inbreeding to achieve successful mating.  If there is no reproductive  
barrier or reduction in fertility in many cases,  then should it not  
be rather common for a species to have variation in numbers of  
chromosomes, just as there is variation in other heritable  
characteristics that are not strongly selected against?   But this  
does not seem to be the case.



Ron Larson

Chair, and GG Brown Professor of Chemical Engineering
Professor of Macromolecular Science and Engineering, Biomedical  
Engineering, and Mechanical Engineering
Dept. of Chem. Engng.
2300 Hayward
Univ. of Michigan
Ann Arbor, MI 48109-2136

rlarson At umich.edu
734 936-0772
FAX 734 763-0459

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