Imprinted green beards: a little less than kin and more than kind

被引：8
|
作者：
Haig, David [1 ]
机构：
[1] Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA
来源：
BIOLOGY LETTERS | 2013年 / 9卷 / 06期
关键词：
inclusive fitness; imprinting; siRNA; green beards; relatedness; SMALL RNAS; ARABIDOPSIS; EXPRESSION; ENDOSPERM; SIRNAS; TRANS;
D O I：
10.1098/rsbl.2013.0199
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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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页数：3
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