🔄 Prenatal development proceeds through these stages:
Fertilization occurs when a human egg and sperm fuse, combining 23 female chromosomes and 23 male chromosomes to produce 46 chromosomes.
The germinal stage lasts from day 0 to day 14 and ends with implantation of the blastocyst into the uterine wall.
1. Which sequence best represents the main progression of prenatal development from conception to attachment in the uterus?
2. What happens during fertilization in human prenatal development?
3. Which statement correctly distinguishes nature from nurture in prenatal development?
What are the main stages of prenatal development?
Fertilization, zygote formation, cellular division, blastocyst formation, and implantation.
When does the fetal stage of prenatal development occur?
From week 9 to week 38.
What does nature refer to in prenatal development?
Genetic influences.
What does nurture refer to in prenatal development?
Environmental influences.
Prenatal stages
Fertilization, Zygote, Embryonic, Fetal
Fertilization process
Egg and sperm fuse, 46 chromosomes
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