chapter 7 Flashcards
(12 cards)
a distinguishing characteristic of an organism.
trait
the passing of traits from generation to generation.
inheritance
a section of DNA on a chromosome that has genetic information for one trait.
gene
an organisms complete set of genes.
genotype
how a trait appears or is expressed.
phenotype
a permanent change in the sequence of DNA or the nucleartides in a gene or a chromosome.
mutation
a slight difference in an inherited trait among individual members of a species.
variation
an inherited trait that increases an organism chance of surviving and reproducing in a particular environment.
adaptaion
the process by which organisms with variation that environment live longer, compete better, and reproduce more than those that do not have the variation.
natural selection
the selection and breeding of organisms for desired traits
selective breeding
an adaptation that enables a species to blend in with its envirronment
camouflage
an adaptation in which one species looks like another species.
mimicry
