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);
An additional five percent of the population is made up of indigenous Aboriginal peoples. English and French are Canada's official languages, with English being the main language of B.C. There are many other languages spoken in B.C. including multiple Aboriginal languages, Chinese, Panjabi (Punjabi), Korean, and more.