Oldest Houses in the United States Richard Sparrow House. The Richard Sparrow House is an historic house at 42 Summer Street in Plymouth, Massachusetts and the oldest surviving house in Plymouth. The house was built around 1640 by Richard Sparrow, an English surveyor who arrived in Plymouth in 1636.
Fertilization: Sperm Penetrates Egg. It takes about 24 hours for a sperm cell to fertilize an egg. When the sperm penetrates the egg, the surface of the egg changes so that no other sperm can enter.At the moment of fertilization, the baby's genetic makeup is complete, including whether it's a boy or girl.he sperm can live up to 48-72 hours. Only a few hundred will even come close to the egg, because of the many natural barriers that exist in a woman's body. It takes about 24 hours for a sperm cell to fertilize an egg. When the sperm penetrates the egg, the surface of the egg changes so that no other sperm can enter.
Conception is the instant that the sperm fertilizes the egg. So technically, it is a one second event. Sperm can live in the female body for up to 5 days after intercourse. When you ovulate, there is a 12-24 hour window for the egg to be fertilized.It gets fertilized in the upper 3rd of the fallopian tube. It then takes an additional 1-4 days to travel down into the uterus and 1-3 more days to implant.So from the moment you ovulate, it could take about one or two weeks for the egg to be fertilized and stick. Take a test two or three weeks after you had sex and you'll get your answer.t then takes an additional 1-4 days to travel down into the uterus and 1-3 more days to implant. So from the moment you ovulate, it could take about one or two weeks for the egg to be fertilized and stick. Take a test two or three weeks after you had sex and you'll get your answer.