Article
A selfish gene governing pollen-pistil compatibility confers reproductive isolation between maize relatives.
Genetics - 1 Jan 2006
Kermicle Jerry L
Abstract excerpt
Some populations of maize's closest relatives, the annual teosintes of Mexico, are unreceptive to maize pollen. When present in the pistil (silk and ovary) a number of maize genes discriminate against or exclude pollen not carrying the same allele. An analogous gene Tcb1-s was found in some teosinte populations but not in sympatric or parapatric maize. It was polymorphic among populations of teosinte growing...
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