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A genetic '''mutation''' occurs when mistakes are made during copying/[[reproductive success|reproduction]] of DNA and/or chromosomes. | A genetic '''mutation''' occurs when mistakes are made during copying/[[reproductive success|reproduction]] of DNA and/or chromosomes. | ||
Mutations may be bad for the organism, or neutral, or benefit the organism. Mutations inevitable and they are necessary for evolution to work at all. Mutations try out new phenotypes and the environment and [[sexual selection]] determine which phenotypes will be prevalent in future and which mutations will become fixed (meaning highly prevalent in the gene pool). | |||
Older parents pass on more mutations.<ref>https://www.bionews.org.uk/page_96182</ref> | |||
== Kinds of mutations that can occur == | == Kinds of mutations that can occur == | ||
There are four main types of mutations:<ref>https://simple.wikipedia.org/wiki/Mutation</ref> | |||
{| class="wikitable" | {| class="wikitable" | ||
!Mutation | !Mutation |