Strain-specifictransgene methylation occurs early in mouse developmentand can be recapitulated in embryonic stem cells. Develop-ment 121: 2853â2859.Wigler, M., Levy, D., and Perucho, M. 1981. The somatic repli-cation of DNA methylation. Cell 24: 33â40.Wolffe, A.P., Jones, P.L., and Wade, P.A. 1999.
1 Toronto remains a mosaic of many languages. In 2006, forty-seven percent of the population had a mother tongue in a language other than English or French. 2  The top 5 mother tongue languages in 2006 were:  Chinese (420,000);
Edit: English is NOT the only official language despite popular belief. The Official languages Act is a law adopted by the Parliament of Canada in 1969 and substantially amended in 1988.The law gives English and French equal status in the government of Canada.n Canada official languages are english and french. But also a large number of people speaks chinese, punjabi,spanish, italian, arabic, german, tagalog, vietnamese, portuguese, urdu, polish, korean, persian, russian, tamil, greek, gujarati,romanian, etc.