User talk:80.193.148.243

January 2009
Welcome to Wikipedia. The recent edit you made to Y chromosome has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. – Capricorn42 ( talk ) 12:38, 18 January 2009 (UTC)