What is Frequencies of AU101? What do the letters and numbers mean?

The process of taming an animal and keeping it as a pet or on a farm.

https://www.google.com/search?sca_esv=561558033&rlz=1C1VDKB_enUS969US969&q=domestication&si=ACFMAn9wVum5eEudj1h4dLvTlZpPpzqBXVoAa3F26i4fYMz7fklqYNuJJqpJKE40rN55j_LOzj6c7ddzCsuFdauw97z1vFWmwfFO6NN1JQ06djVQUMnKNxY%3D&expnd=1&sa=X&sqi=2&ved=2ahUKEwiA-avrtYaBAxXPKkQIHal9DiQQ2v4IegQIGBAV&biw=798&bih=773&dpr=1

Traits that are similar due to reasons other than relatedness. Such similarities can result from random chance or because unrelated organisms have adapted to similar environments. An example is Wings. There are many kinds of flying animals, including bats, birds, and various insects.

https://www.nku.edu/~whitsonma/Bio120LSite/Bio120LReviews/Bio120LHomologyRev.html#:~:text=Traits%20that%20are%20similar%20due,%2C%20birds%2C%20and%20various%20insects.