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The expression of a gene involved in making anthocyanin (purple) pigment in pea flowers is...

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Biology

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The expression of a gene involved in making anthocyanin (purple) pigment in pea flowers is controlled by a transcriptional activator. A point mutation in the gene encoding this protein results in a non-functional transcriptional activator, generating a loss-of-function allele. However, a heterozygote plant still makes purple flowers. Which statement below is TRUE?The allele generated by the point mutation will be recessive to the wild-type allele. One wild-type copy is not enough. The mutant allele produces a blended trait. The allele generated by the point mutation will be dominant over the wild-type allele. You always need both alleles for a pea plant to have purple flowers.

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