JAMB - Biology (1986 - No. 34)
Gestation in mammals is the period
required for growth after birth
between the formation of the foetus and birth
of development from zygote to birth
before the formation of the zygote
Wyjaśnienie
In mammals, the gestation period is a period of development from the zygote (fertilized egg) to birth. It encompasses the entire time from conception to the birth of the offspring, during which the embryo or fetus grows and develops inside the mother's uterus.