
%0 Journal Article
%A M McKay, Lynette 
%A M Wrigley, Jaclyn 
%A A MarshalI Graves, Jennifer 
%T Evolution of Mammalian X-chromosome Inactivation: Sex Chromatin in Monotremes and Marsupials
%J Australian Journal of Biological Sciences
%D 1987/12/01
%V 40
%N 4
%P 397-404
%K 
%R https://doi.org/10.1071/BI9870397
%U https://www.publish.csiro.au/paper/BI9870397 
%X The inactive mammalian X-chromosome is always late-replicating, and in eutherian mammals it is heterochromatic and hypermethylated. We propose that this multistep system has evolved from a more primitive system, remnants of which may be found in marsupials and monotremes. 
