Directions: On the line before each definition, write the letter of the term that matches it correctly. Each term
is used only once.

​​1.​production of an offspring through the
combination of egg and sperm

​​2.​female sex cell

​​3.​male sex cell

​​4.​joining of egg and sperm

​​5.​the cell formed by fertilization

​​6.​body cell or zygote, which has pairs
of chromosomes

​​7.​male or female sex cell that has only one
chromosome from each pair

​​8.​process by which one diploid cell divides into
four haploid cells

​​9.​two chromosomes that have genes for the same
traits in the same order

A.​diploid cell
B.​egg
C.​fertilization
D.​haploid cell
E.​homologous
chromosomes
F.​meiosis
G.​sexual reproduction
H.​sperm
I.​zygote