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Heredity
Question | Answer |
---|---|
Allele | an alternate form that a trait may have for a single trait; can be dominant or recessive |
Dominant | describes a trait that covers over, or dominants, another form of trait |
Evolution | change in the genetics of a species over time |
Extinction | occurs when the last member of a species dies |
Gene | segment of DNA on a chromosome |
Genetics | study of heredity |
Genotype | genes that an organism has-- its genetic makeup |
Mutation | process that changes DNA to form new alleles |
Natural Selection | process by which organisms that are suited to a particular environment are better able to survive and reproduce than organisms that are not |
Phenotype | observable product of genetic makeup and environment's influences on that genetic makeup |
Punnett Square | tool used to predict probability of certain traits in offspring |
Recessive | describes a trait that is covered over |
Trait | feature that an organism gets from its parents |