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);
there are approximately 100 different languages spoken in canada not including languages spoken by non native immigrants and residents the 2 official languages of canada a re english and french here is a list of most of the languages spoken in canada 1rench and english have equal status as canada s official languages english is the language spoken by a majority of canadians french is the language spoken by the overwh elming majority of quebecers quÃ©becers new brunswick is canada s only officially bilingual province