Thus these RM gene pairs can be regarded as selfish gene entities specialized at a specific sequence that force their maintenance to the host cells.
(these RM gene pairs; can be regarded; as selfish gene entities) (selfish gene entities; specialized; at a specific sequence) (a specific sequence; force; their maintenance; to the host cells)
these RM gene pairs selfish gene entities a specific sequence
can be regarded specialized force
as selfish gene entities
at a specific sequence
their maintenance to the host cells