Tag Archives: fertilization

‘Old’ sperm produce healthier offspring, study finds

Sperm that live for longer before fertilizing an egg produce healthier offspring, according to new research from the University of East Anglia and Uppsala University in Sweden. The research, published in the journal Evolution Letters, shows that longer-lived sperm in … Continue reading

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Conception question answered

How exactly do sperm and egg come together to make a baby? It’s a question that has been plaguing scientists for years, and researchers at Britain’s Wellcome Trust Sanger Institute say they have the answer. Their research on mice has … Continue reading

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