Link to this slang definition. To link to this term in a web page or blog, insert the following. <a href=http://onlineslangdictionary.com/meaning-definition-of/trippy>trippy</a>. To link to this term in a wiki such as Wikipedia, insert the following. [http://onlineslangdictionary.com/meaning-definition-of/trippy trippy]
The two main sources of genetic variation are mutations and recombinations of genes as a result of sexual reproduction. A mutation is a permanent change in the DNA within a gene. Continue Reading. Some mutations, which affect all cells in an organism, are inherited from a parent.
Variation comes from mutations in the genome, reshuffling of genes through sexual reproduction and migration between populations (gene flow). Despite the constant introduction of new variation through mutation and gene flow, most of the genome of a species is identical in all individuals of that species.