Re: Horse common ancestor

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In article <45opna$oi9@ednet1.osl.or.gov> donald e. tyler,
dtyler@ednet1.osl.or.gov writes:

>With the donkey with 62 chromosomes,
>the Mongolian wild horse with 66,
>modern horse with 64, andn 3 species
>of zebras with 32, 44, and 46, are
>there any ideas as to the number
>of chromosomes the common ancestor
>had? Or are we allowed to question
>basic premises here?

Given the data you cite, I see no way we can reconstruct the number of
chromosomes of the LCA of extant equids.

What does Froelich have to say about it?

Alex Duncan
Dept. of Anthropology
University of Texas at Austin
Austin, TX 78712-1086
512-471-4206
aduncan@mail.utexas.edu

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