There is a close relationship between TE and population dynamics,natural selection,and genetic drift. TE can make the host to get new function,meantime may get lost from the host even the extinct of population or species.

• 转位因子与居群动态、选择和遗传漂变等密切相关， 它可以使宿主获得新的机能， 同时也可从宿主中丢失， 甚至使居群或物种绝灭。