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Genetics Vocabulary
Genetics Vocabulary 8
Term | Definition |
---|---|
alleles | alternative versions of a gene |
artificial selection | selection by humans for breeding of useful traits from the natural variation among different organisms; selective breeding |
Chromosomes | a threadlike structure made of DNA found in the nucleus of a cell |
Dominant | a trait that covers over another form of that trait. |
Embryos | organisms at early stages of development |
Evolution | change in the genetics of an organism over time. |
genes | a sequence of DNA on a chromosome |
Genome | a full set of inheritable chromosomes |
Mutation | a change or error in a gene |
natural selection | process in which individuals that have traits that are beneficial in the environment tend to survive and reproduce more successfully. |
Recessive | a trait that is covered up by another form of that trait and seems to disappear. |
Traits | a characteristic that an organism can pass on to its offspring through its genes. |