User talk:81.109.220.201

October 2017
Hello, I'm Shellwood. I wanted to let you know that I reverted one of your recent contributions —the one you made with this edit to Y chromosome— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Shellwood (talk) 00:39, 30 October 2017 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to Y chromosome. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Shellwood (talk) 00:40, 30 October 2017 (UTC)