In the case of genetic variation, the genes of the organisms or the individuals changes within a population. Gene alleles define distinct traits that can be transferred on from parents to offsprings. Gene variation is very necessary for the process of natural selection. The genetic variation that occurs in a population can happen by chance, but in the case of natural selection it does not.
The top journals are peer reviewed scholarly journals. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.
Last date updated on June, 2014