the mutation can be a sources of genetic variety.
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Mutations can arise from errors in DNA replication, environmental factors like radiation or chemicals, or from natural genetic variations. These mutations can lead to genetic diversity within populations, potentially causing changes in phenotype or function.
It is through mutation.
mutations recombination/crossing over in mammals
A genetic mutation is a source of genetic variation that refers to a random error in the genetic code. Mutations can occur spontaneously during DNA replication, as a result of environmental factors, or due to mistakes in cellular processes. These mutations can lead to changes in the DNA sequence, potentially resulting in genetic variation within a population.
mutation
A change in the genetic code is called a mutation. This can result from errors during DNA replication, exposure to mutagens such as chemicals or radiation, or spontaneous changes. Mutations can have various effects on an organism, ranging from no consequences to causing genetic disorders.