Theoretically,the phenotype is expressed only | vedclass

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(D) In the process of gene expression,an allele typically produces an enzyme that converts a substrate into a product. If a mutation occurs in the all

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All of the above.

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(D) In the process of gene expression,an allele typically produces an enzyme that converts a substrate into a product. If a mutation occurs in the allele,it can affect the phenotype in the following ways:$1$. The modified allele may produce a normal enzyme (resulting in a normal phenotype).$2$. The modified allele may produce a non-functional enzyme (the process stops,leading to a changed phenotype).$3$. The modified allele may produce no enzyme at all.Therefore,the phenotype is affected by all these conditions.

Theoretically,the phenotype is expressed only when an enzyme converts a substrate into its product. During which of the following conditions is the phenotype affected?

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