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Williams Biology

Chapter 9 Study Guide

cell cycle the life cycle of a cell from its beginning until it divides
mitosis the process of dividing a cell's nucleus to make two identical nuclei
cancer a condition in which a cell grows without control and divides too much
tumor a ball of cells made from extra divisions of cancer cells
testosterone male sex hormone
sperm male sex cell
egg female sex cell
gamete human sex cell
estrogen female sex hormone
zygote a fertilized egg
fertilization when the sperm meets the egg
ovary organ that produces eggs
tetses organ that produces sperm
human gestation period 9 months
gestation time period of development of a mammal from fertilization until birth
fetus an embryo after eight weeks of development in the uterus
Created by: ebonyw411