Chromosomes:Structures found in cells that carry genetic information. They determine the sex of the developing child.
Sex Determination: The process by which the sex of an individual is established. It occurs during fertilization when either an X or Y chromosome from the father combines with an X chromosome from the mother.
Prenatal Development:The period of development that begins at conception and ends with birth. It involves various stages such as germinal, embryonic, and fetal development.