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reproduction: a reproductive system in which two differentiated cells (called gametes) fuse to give rise to a new individual single cell (the zygote) that will be developed by successive mitosis as multicellula. This definition of sexual re...
stages are known as germinal stages, which occur two, months after conception. The third stage is known as the embryonic stage which occurs at the eighth week. The last stage of the ninth week is known as the fetal period. The Germinal Sta...
stem cell transplants. For certain infectious ailments like leukemia, aplastic anemia, certain inherited body-fluid infections, and some infections of the immune cell, and the stem cells in the skeletal bone marrow do not effectively functi...
Stages of Fetal Development Exposure to high heat during early pregnancy may be risky business. Researchers at Boston University found that if expectant moms climbed into a hot tub or sauna or suffered a high fever during their first trimes...
abnormal prenatal development The prenatal development is a critical period of development of an individual’s life. It is influential and formative period for development of body’s organ and thus establishes its functional ability. If a chi...
by a fertilized sperm of the male that goes into the egg cell that hold chromosomes. In preparation, the sperm and egg both hold one set of chromosomes. The point when the sperm and egg join, the coming about zygote winds up with two sets -...
Epigenetic asymmetry in the zygote and mammalian development Epigenetic asymmetry between parental genomes and embryonic lineages lives at the soonest phases of mammalian development. The paternal genome is quickly remodelled with protamine...