ETHC 210 UPDATED Exam Questions and CORRECT Answers
amniocentesis (ăm′nē-ō-sĕn-tē′sĭs) A prenatal diagnostic technique that examines fetal chromosomes and biochemicals in amniotic fluid. blastocyst (blăs′tō-sĭst′) A fluid-filled ball of cells descended from a fertilized ovum. blastomere (blăstō′-mēr′) A cell of a blastocyst. chorionic villus sampling (CVS) (kôrē-ŏn′ĭk vĭl-us) A prenatal diagnostic technique that analyzes chromosomes in chorionic villus cells, which, like the fetus, descend from the fertilized ovum. cleavage (klēvĭj) A series of rapid mitotic cell divisions after fertilization. critical period The time during prenatal development when a structure is sensitive to damage from a mutation or an environmental intervention.
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