19/09/2016 · Human sperm competition; Female orgasm Robin Baker and Mark Bellis are two British researchers who carried out a series of pioneering and ...
21/12/2016 · Human sperm competition: the competition to fertilize a woman's egg that takes place inside a woman between sperm from two or more ...
13/09/2018 · Animal Behaviour, 37, 867–869. Baker, R. R., & Bellis, M. A. (1993a). Human sperm. competition: Ejaculate adjustment by males and the.
8/07/1989 · gorillas'. To test the prediction of sperm competition theory, Baker and Bellis used humans. They chose people because a survey they carried out ...
... nationwide survey (M. A. Bellis and R. R. Baker; see record 1991-12464-001) of ... of sperm inseminated into and ejected by females from 34 male–female pairs.
Recent male masturbation reduced the number of sperm inseminated at the next copulation but not the number retained by ... Baker, R. R., & Bellis, M. A. (1993).
Human Sperm Competition: Copulation, Masturbation, and Infidelity. R. Robin Baker and Mark A. Bellis. London and New York: Chapman and Hall, 1995, 376 ...
Short communication. Number of sperm in human ejaculates varies in accordance with sperm competition theory. Author links open overlay panelR.RobinBaker ...
Bellis M.A., Baker R.R., Hudson G., Oram E., Cook V. ... Gibson R.M., Jewell P.A.Semen quality, female choice and multiple mating in domestic sheep: a test of ...
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Baker and Bellis may not be always right, but it is a hell of a good story. - Heredity; Human Sperm Competition: Copulation, Masturbation and Infidelity...opens up ...