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Ch. 4 7th Grade
Reproduction of Organisms
Term | Definition |
---|---|
diploid | describes a cell that has pairs of chromosomes |
DNA | genetic information in a cell |
egg | female sex cell |
fertilization | joining of an egg and sperm |
haploid | describes a cell that has only one chromosome from each pair |
homologous chromosomes | pairs of chromosomes - one inherited from each parent- that have genes for the same traits arranged in the same order |
meiosis | process in which one diploid cell divides to make haploid sex cells |
sexual reproduction | production of offspring from the combination of genetic materials from two cells |
sperm | male sex cell |
zygote | new cell formed through fertilization |
asexual reproduction | production of offspring by one parent without meiosis and fertilization |
budding | asexual reproduction in which a new organism grows on the body of its parent |
cloning | lab procedure that produces identical individuals from a cell or cells taken from an organism |
culture | growing living tissue in a laboratory |
fission | cell division in prokaryotes that forms two genetically identical cells |
potential | possibility |
regeneration | asexual reproduction in which a new organism grows from a piece of its parent |
vegetative reproduction | asexual reproduction in which offspring grow from a part of a parent plant |