chapter7 Flashcards
the passing of traits from generation to generation
inheritance
a section of DNA on a chromosome that has generetic information for one trait
gene
a permanent change in the sequence of DNA in a gene
mutation
is the process by which organisms with variations that help survive in their environment to live longer, compete better, and reproduce more than those that do not have the variation
natural selection
a distinguishing characteristic of an organsim
trait
an orgamism’s complete set of genes
genotype
how a trait appears or is expressed
phenotype
a slight differan inherited trait among individual members of a speices
variation
an inherited trait that increases an organisms chance of surviving and reproducing in a particular environment
adaptation
the selection and breeding of organisms for desired traits
selective breeding
an adaption in which one species looks like another species
mimicry
an adaptation that enables a species to blend in with its environment
camouflage