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.
Only mutations on coding regions of DNA can affect an organismâs phenotype. CONCEPTS MAIN IDEA Genetic variation comes from several sources. Genetic variation comes from two main sources: mutation and recombination.â¢ Mutation A mutation is a random change in the DNA of a gene. Thischange can form a new allele.ene poolsourcesgenetic variation 11.1 Genetic Variation Within Populations KEY CONCEPT A population shares a common gene pool. MAIN IDEAS â¢ Genetic variation in a population increases the chance that some individuals will survive.â¢ Genetic variation comes from several sources.