Sperm and egg are alive

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Life is a very fuzzy concept. But you will find us saying simple things like that in email and conversations and even popular lectures to lay people…such as this talk by Lewis Wolpert. Interestingly, this is an argument he never bothers making. In common language they are alive in that they are not dead, but no, unfertilized eggs are not alive. So in order to answer the question, one would first have to determine if the DNA errors impact the ability of the sperm or egg to live or regenerate. Some fish, reptiles and many invertebrates use this technique. Stem Cells and Development, 23 8:
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Are Sperm and Egg Cells Alive?

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Is the sperm or an egg a living organism?

Peter Singer, "Taking life: For those sperm that complete the trip, getting into the egg, which is covered by a thick layer, is far from a sure thing. Non-motile sperm cells called spermatia lack flagella and therefore cannot swim.
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Sperm and egg are alive
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