<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
Zippy Xylem. The xylem of a plant is the system of tubes and transport cells that circulates water and dissolved minerals.
Hope this helps this is what I used when I studied this
Asexual organisms produce clones of themselves. That leaves the organism prone to being wiped out in its entirety, because every individual is equally in trouble when danger strikes. A virus or predator that affects one affects them all. It has no possibility of exploring new places, new foods, new methods of escape.
Souce: https://www.quora.com/Why-dont-all-organisms-reproduce-asexually
