Page 315 of DNA and RNA in the Kentucky Prentice Hall Biology book
by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:

To avoid this verification in future, please log in or register.

1 Answer

This could be a mutation or a speciation event if the strains are seperate enough that they can no longer reproduced with each other.
by
1,953 questions
1,138 answers
30 comments
142,553 users