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sexual selection
(redirected from Mate choice)

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sexual selection

Process similar to natural selection but relating exclusively to success in finding a mate for the purpose of sexual reproduction and producing offspring. Sexual selection occurs when one sex (usually but not always the female) invests more effort in producing young than the other. Members of the other sex compete for access to this limited resource (usually males competing for the chance to mate with females).

Sexual selection often favours features that increase a male's attractiveness to females (such as the pheasant's tail) or enable males to fight with one another (such as a deer's antlers). More subtly, it can produce hormonal effects by which the male makes the female unreceptive to other males, causes the abortion of fetuses already conceived, or removes the sperm of males who have already mated with a female.
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If we can identify this gene or genes, we can say conclusively how they influence both color and mate choice," said Kronforst.
Scientists find tropical butterflies that may soon split into two ... by Asian News International
It makes sense to use symmetry variation in mate choice," said evolutionary biologist Randy Thornhill, of the University of New Mexico.
SCENT OF A WOMAN; Guys use sense of smell to pick a partner...and ... by Daily Record (Glasgow, Scotland)
Topics of the research and review papers include Nijmegen Breakage Syndrome, models of genetic and physiological heterogeneity, polymorphisms in CCR5 chemokine receptor genes, genetic anticipation, inheritance in mammal litter sizes in different populations, heritable and molecular genetic variation in mate choice and mating-related genes, osteogenesis imperfecta, tuberous sclerosis complex, and findings in Danon disease, a rare X-linked dominant disorder.
Genetic inheritance patterns by SciTech Book News
 
 
 
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