User talk:66.169.141.51

February 2018
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to XY sex-determination system has been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 09:46, 19 February 2018 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
 * For help, take a look at the introduction.
 * The following is the log entry regarding this message: XY sex-determination system was changed by 66.169.141.51 (u) (t) ANN scored at 0.885807 on 2018-02-19T09:46:06+00:00.

And again
I see you tried again at the same article, just a minute or two later, and with a misleading edit summary once again. Please refrain from making unconstructive edits to Wikipedia, as you did at XY sex-determination system. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. Mathglot (talk) 10:45, 19 February 2018 (UTC)