Explain the significance of genetics and its role in fetal development.

Well without genetics qualities that would normally give way to distinct differences of offspring would be redundant. Without it one may pretty much only be capable of producing clones. 

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you