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Unformatted text preview: Stages leading up to fertilization-Oocyte/Ovum is fertile for up to 24 hours Sperm travels to the uterus Capacitation is the altering state from ejaculation to ovulation One sperm will enter the egg zygote divides into 100 cells blastophere (the multiple growth of cells that must attach to the uteran wall where it transforms into an embryo until 8 weeks and it transforms into a fetus Genetic Tests-ultrasound scan alpha-fetoprotein test (AFP) or multiple marker test chronic fluid biopsy increased level of chromosomic hormone from the placental association with chromosomal disorders amniocentesis umbilical blood sampling Genetic Disorders (ex)-cystic fibrosis sickle cell anemia hemophilia A Duchenne muscular dystrophy Tay-Sachs disease...
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- Spring '08