theory of branching process造句

:If I understand the theory of branching processes correctly, then any native English person is almost certain to be descended from royalty.
For fixed population sizes, the probability of fixation for a new allele with selective advantage " s " can be approximated using the theory of branching processes.
A central question in the theory of branching processes is the probability of "'ultimate extinction "', where no individuals exist after some finite number of generations.
It's difficult to find theory of branching process in a sentence. 用theory of branching process造句挺难的