Among the newly discovered small noncoding RNAs, one type reestablishes methylation patterns during gamete formation and blocks expression of some transposons. These RNAs are called

Question

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The small noncoding RNAs that reestablish methylation patterns during gamete formation and block expression of some transposons are called piRNAs (Piwi-interacting RNAs). MiRNAs (microRNAs) regulate gene expression, snRNAs (small nuclear RNAs) are involved in pre-mRNA splicing, and siRNAs (small interfering RNAs) and RNAi (RNA interference) are involved in gene silencing through post-transcriptional regulation.

Among the Newly Discovered Small Noncoding RNAs, One Type Reestablishes