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How is the phenotype of an organism determined?
Can genetic mutations also affect an organism's phenotype?
Yes, genetic mutations can alter the way genes are transcribed and translated, leading to changes in protein structure and function. Some mutations have no discernible effect on an organism's phenotype, while others can cause genetic diseases or result in other physical traits. For example, mutations in the melanocortin-1 receptor gene can affect skin and hair color in humans.