Mutation may result in the:

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(D) Mutation is defined as a sudden change in the $DNA$ sequence. $1$. $A$ change in the $DNA$ sequence directly alters the genotype of an organism. $

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All of these

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(D) Mutation is defined as a sudden change in the $DNA$ sequence. $1$. $A$ change in the $DNA$ sequence directly alters the genotype of an organism. $2$. Since the genotype determines the protein synthesis and cellular functions,a change in genotype often leads to a change in the phenotype (observable characteristics). $3$. Metabolic processes are controlled by enzymes,which are proteins encoded by genes. Therefore,a mutation can also alter metabolic pathways. $4$. Thus,mutation can result in changes in genotype,phenotype,and metabolism.

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