Slide 1 Fertilization Males –sperm produced every 24-48 hours –begins at puberty Slide 2 Fertilization Females –ovum produced prenatally –400 available for potential…
Slide 1 Stages of Prenatal Development Zygotic (germinal) stage Embryonic stage Fetal stage Critical period Slide 2 Critical Periods in Fetal Development Slide 3 PRENATAL…