another way to say "sex cells"
the process of combining a sperm cell and an egg cell
the sex organs
another way to say "fertilized egg cell"
the beginning of gametes
the type of cell division that makes sex cells
name for gametogenesis in males
name for gametogenesis in females
the type of cell division that a zygote uses to divide
the 3 useless cells produced in a female
a hollow ball of cells
a dented in hollow ball of cells (looks like a pair of goggles)
different layers of cells form into different tissues
outer layer of tissues that makes skin
middle layer of tissues that makes organs
inner layer of tissues that makes the lining of organs