Albinism is usually a result of a genetic mutation. Mutations occur in a variety of ways. Once a mutation such as albinism occurs, the resulting animal can pass that genetic mutation on to it's offspring.
Many times, mutations are recessive genes. That means that the normal gene will dominate the recessive gene, and any animal carrying the normal gene, and mutant gene, will appear normal.
Occasionally, mutations are dominant though, which means that any baby that inherits the mutation that is dominant, will show the mutation in it's phenotype.





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