| http://www.w3.org/ns/prov#value | - Through a process called mitosis, which accounts for the replication of most types of cells, nearly all the cells of the body will contain the same 46 chromosomes as the zygote. ??? ??? ??? Number of genes 25,000 ??? ??? ??? Number of chromosomes 23 pairs ??? ??? ??? teratogen is an environmental agent such as a drug, chemical, virus, or other factor that produces a birth defect.
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