 All flies containing the TM3, Sb balancer will have shortened (or stubbly ) hairs on the back of the fly , which are easily seen when viewed through a microscope.
<fluency>  All flies containing the TM3, Sb balancer will have shortened (or stubbly ) hairs on the back of the fly , which are easily seen when viewed through a microscope.
 All flies containing the TM3, Sb balancer will have shortened or stubbly hairs on the back of the fly , which are easily seen when viewed through a microscope.