Glow In the Dark Sperm Helps Scientists
Intently voyeuristic researchers came up with idea of “genetically altering fruit flies so that the heads of their sperm were fluorescent green or red” allowing them to get a better look at slutty wildlife and evolution:
Whenever a female mates with more than one male — and female promiscuity is more the rule
than the exception in nature — there are conflicts between the sexes over paternity, as well as
competition between rival ejaculates to fertilize eggs. Such postcopulatory sexual selection is a
powerful force for evolutionary change.
by Bucky Turco on March 19, 2010 at 4:16 pm
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