Monday 10 October 2011

3.32

Objective 3.32:understand that many mutations are harmful but some are neutral and a few are beneficial

mutation creates new alleles
alleles are responisble for phenotypes.
the mutations can be harmful beneficial or neutral
e.g.
harmful - nonfunctional enzymes
beneficial - improved efficiency of enzyme
neutral - a new allele that has no effect at the present time but in the future environment changes may make this harmful or useful


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