Why is mens sperm differnt

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Jul 19, - It DOES make a difference which wins the race: Scientists scan However, sperm in men and eggs in women only have single copies.

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Jan 8, - Sperm quality and fertility. A study, published on Fertility and Sterility, revealed that men whose overall health scored lowest were more likely to have lower levels of semen and sperm quality. 'Men continue to make semen into old age and can remain fertile provided sperm production by the testicles continues. Jun 1, - The pre-ejaculate comes from a different gland entirely, the Cowper's gland, and it is thought to provide a lubricant for the semen that comes.

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Sperm competition is the competitive process between spermatozoa of two or more different Sperm competition is often compared to having tickets in a raffle; a male has a better chance of winning (i.e. fathering offspring) the more tickets he ‎Defensive adaptations · ‎Mate choice · ‎Female choice for males · ‎Empirical support. Jump to Intra-ejaculate sperm competition - Even within ejaculates, sperm have adopted different morphologies. It has not been answered by the current ‎Physiological adaptations · ‎Ejaculate volume · ‎Psychological adaptations.

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Oct 6, - The amount of semen your guy produces has nothing to do with how good of time you two had between the sheets. It does, however, indicate. Jan 24, - The average male will produce about billion sperm cells over a Since the dawn of the sexes, males have vied with each other to get as.