Discussion:
Embryo Development
1. Gametogenesis produces gametes containing only a single complement of genetic material. Fertilization restores the full diploid genetic complement. Human embryogenesis is that period of human development between fertilization/implantation and the fetal stage of growth which starts in the 9th week of gestation.
2. What are the processes and stages of human embryogenesis? How does a fetus develop from a one-cell fertilized egg? What factors in the immediate environment of the embryo are required to be present for normal embryo growth? What factors will disrupt this normal growth and cause problems?
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