What r the factors lead to evolution

1.	What r the factors lead to evolution
Answer» Forces that drive evolutionCategorizing the processes that affect allele frequencies might be subject to issues of semantics. Without going into the details, we generally recognize 4 forces that drives evolution\tNatural selection: Natural selection refers to the deterministic change in allele frequency due to a differential in fitness among different genotypes. Sexual selection and artificial selection are typically considered as part of natural selection (although that may vary from author to author)\tGenetic Drift: Genetic Drift refers to the stochastic sampling process of individuals\tMutations: A mutation refers to any spontaneous change (substitution, indel, chromosome duplication, etc...) in an individual\'s genotype.\tGene flow : Gene flow refers to the transfer (migration) of DNA sequences among populations. bhagwan ki daya

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