20 quotes about sperm follow in order of popularity. Be sure to bookmark and share your favorites!

We would have to wait for a longer time for more sperm to be produced.

Vinay Tergaonkar
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People pick up on some bits of the book in particular, like the bit about Jamie's sperm.

Jools Oliver
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If female bats mate with more than one male, a sperm competition begins. Males want to make sure their genes make it to the next generation. And evolution is all about tradeoffs.

Scott Pitnick
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[The site vows that the sperm is] 100 percent guaranteed ... drug, alcohol and disease free.

Vincent Gallo
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The egg of every species of animal or plant carries a definite number of bodies called chromosomes. The sperm carries the same number. Consequently, when the sperm unites with the egg, the fertilized egg will contain the double number of chromosomes.

Thomas Hunt Morgan
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If female bats mate with more than one male, a sperm competition begins. The male who ejaculates the greatest number of sperm wins the game, and hence many bats have evolved outrageously big testes.

Scott Pitnick
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It is a well-documented fact that guys will not ask for directions. This is a biological thing. This is why it takes several million sperm cells . . . to locate a female egg, despite the fact that the egg is, relative to them, the size of Wisconsin.

Dave Barry
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Football is a fertility festival. Eleven sperm trying to get into the egg. I feel sorry for the goalkeeper.

Angie Bjorklund
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For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which together constitute a pair.

Thomas Hunt Morgan
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We did freeze his sperm in case there were going to be any problems.

Penny Lancaster
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Like other cells in the body, human sperm carry a receptor for nicotine, which means they recognize and respond to nicotine.

Lani Burkman
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PCB exposure might negatively impact reproductive capabilities especially for men who, for other reasons, already have a higher fraction of defective sperm.

Dr Marcello Spano
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You can't buy a baby in the United States. ... But you can buy the sperm, you can buy the egg and you can rent the uterus.

Arthur Caplan
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Women have more to offer this world than just a fallopian tube. Nothing is going to change until you quit looking at us as just sperm receptacles.

Barbara Hall
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Though we all know that the survival of the species depends on producing children, up until now we haven't understood how germ cells in the developing embryos decide whether to eventually become the sperm or eggs needed later for adult reproduction. Now we know one way these other cells are talking to germ cells about sex.

Mark Van Doren
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So, unlike in humans, every chimp male's sperm has to fight really hard to fertilize a single egg.

Jennifer Hughes
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Men donate sperm. They have no idea where it's going. They get paid. I don't see it as anything different. Yes, there are medical risks, but there are medical risks to basically anything.

Tiffany Bates
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The male function is to produce sperm. We now have sperm banks.

Valerie Solanas
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When we use fresh sperm, the surgical procedures for the sperm retrieval and egg retrieval need to be done the same day, and this may not be convenient for the couple. However, if we use frozen sperm, the man can have his procedure first, and if we find sperm, we can bank it. Then, at the couple's convenience we do egg retrieval and the fertilization procedure that puts the egg and sperm together.

Moshe Wald
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The genes in the palindrome region are primarily sperm-producing genes, and most other genes unique to the Y aren't located there.

Jennifer Hughes
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