It is a going along, with some exterior condition, that is either good, or bad for the individual organism !
it ruins the equilibrium
Natural selection can only work on genetic variation that already exists. So mutation comes first, then natural selection.
mutations
It's called a mutation.
A mutation
it ruins the equilibrium
"http://wiki.answers.com/Q/How_does_mutation_work_hand_in_hand_with_evolution"
The permanent change in a gene or a chromosome is called Mutation.
Natural selection can only work on genetic variation that already exists. So mutation comes first, then natural selection.
i] spontaneous mutation ii] induced mutation iii] germinal mutation iv] somatic mutation v] chromosomal mutation vi] gene mutation are the some of the major types of mutation......
Chromosomal mutation
mutations
It's called a mutation.
A mistake made during copying of genetic information is called a
A mutation
A change in a gene or chromosome is called a: Mutation
heritable change occurs in a line of descent