spermatozoa are like a bargeload of magnetic tape. the dna is packed up in an acrosome that serves to [in humans] , eject the paternal contribution into the egg

spermatozoa are like a bargeload of magnetic tape. the dna is packed up in an acrosome that serves to [in humans] , eject the paternal contribution into the egg. --this is pushed around by a flagellating tail that is powered by numerous mitochondria, most of them burnout, any that make it to eggplasm are challenged in other ways.