The FMR1 gene contains about 30 repeats of CGG, while affected individuals show ____ repeats. These CpG sequences may enhance ____ in the promoter, thus silencing transcription of the gene. Triplet expansion occurs in ____ transmission of the gene.

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1. The FMR1 gene contains about 30 repeats of CGG, while affected individuals show ____ repeats. These CpG sequences may enhance ____ in the promoter, thus silencing transcription of the gene. Triplet expansion occurs in ____ transmission of the gene.