The national median home value is $185,800. The average price of homes sold in Dix Hills, NY is $725,000. Approximately 89.63% of Dix Hills homes are owned, compared to 7.65% rented, while 2.73% are vacant. Dix Hills real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available.
Embryonic Period. the embryonic period is weeks 3-8 of development; the three germ layers- ectoderm, mesoderm, and endoderm- form the tissues and main organ systems and the body becomes recognizably human.
That is because these embryos have passed an important test. During the first few days, the embryo relies on the mother's egg for all its nutrients. However, in order to 15 survive past day three or four, the embryo must activate its own genes. Not all embryos are successful. In fact, only about one-third of the embryos become blastocysts.