We all know that when a sperm enters an egg, a zygote is created, and the creation of a new person begins. But what is that sperm’s journey really like, and does it have an overall strategy?
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Males Have Adapted To Battle With Competing Sperm
Adaptation to Sperm Competition in Humans
RELATIONSHIPS BETWEEN SPERM LENGTH AND SPEED DIFFER AMONG THREE INTERNALLY AND THREE EXTERNALLY FERTILIZING SPECIES