sperm

Example Sentences

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Rather than becoming more complex by adding new genes, termites evolved advanced social behavior by shedding genes, including those associated with sperm competition.

From Science Daily

Some of the most revealing genetic losses involved genes responsible for forming the tail, or flagellum, of sperm.

From Science Daily

Unlike cockroaches and most animals, termite sperm lack tails and are unable to swim.

From Science Daily

Without sperm competition, there was no longer an advantage to maintaining genes that support sperm movement.

From Science Daily

"Once monogamy was locked in, there was no longer any evolutionary pressure to maintain genes involved in sperm motility."

From Science Daily