dvunkannon
Posts: 1377 Joined: June 2008
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http://rsbl.royalsocietypublishing.org/content....3.short
Embryonic cannibalism in sharks.
Multiple males may fertilize a single female sand tiger shark. The embryos compete in her two wombs by eating each other.
One article I've read suggests this is sexual selection of the males, continuing after fertilization. I don't agree, since the genes are only half his.
-------------- I’m referring to evolution, not changes in allele frequencies. - Cornelius Hunter
I’m not an evolutionist, I’m a change in allele frequentist! - Nakashima
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