Open AccessImprinted green beards: a little less than kin and more than kind
Author(s) -
David Haig
Publication year - 2013
Publication title -
biology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.596
H-Index - 110
eISSN - 1744-957X
pISSN - 1744-9561
DOI - 10.1098/rsbl.2013.0199
Subject(s) - biology , rna , genetics , allele , genomic imprinting , dna , mechanism (biology) , evolutionary biology , gene , gene expression , dna methylation , philosophy , epistemology
RNA is complementary to the DNA sequence from which it is transcribed. Therefore, interactions between DNA and RNA provide a simple mechanism of genetic self-detection within nuclei. Imprinted RNAs could enable alleles of maternal and paternal origin to detect whether they are the same (homozygous) or different (heterozygous), and thereby provide strategic information about expected relatedness to siblings.
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