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Chapter 12-Sex. Repr

sexual reproduction and meiosis

TermDefinition
sexual reproduction type of reproduction in which the genetic materials from two different cells combine, producing an offspring
egg female sex cell
sperm male sex cell
fertilization a process where an egg and a sperm cell join together
zygote the new cell that forms from fertilization
diploid cells cells that have pairs of chromosomes (2 pairs in humans)
homologous chromosomes pairs of chromosomes that have genes for the same trait arranged in the same order
haploid cells cells that have only one chromosome from each pair (like sperm and egg)
meiosis a form of cell division that results in egg and sperm cells having half the number of chromosomes; nucleus goes through two divisions (8 steps)
asexual reproduction one parent organism produces offspring without meiosis and fertilization
fission cell division in prokaryotes that forms two genetically identical cells
budding a form of asexual reproduction where a new organism grows by mitosis and cell division on the body of its parent
regeneration a form of asexual reproduction where an offspring grows from a piece of its parent (like sea stars)
vegetative reproduction a form of asexual reproduction where offspring grow from a part of a parent plant (like strawberries)
cloning a type of asexual reproduction performed in a laboratory; it produces identical individuals
Created by: tduvall