The evolution of sexual reproduction is a major puzzle because asexual reproduction should be able to outcompete it as every young organism created can bear its own young. This implies that an asexual population has an intrinsic capacity to grow more rapidly with each generation.
Definition of cutting. 1  1 : given to or designed for cutting; especially : sharp, edged. 2  2 : marked by sharp piercing cold cutting winds. 3  3 : inclined or likely to wound the feelings of others especially because of a ruthless incisiveness a cutting remark.  4 : intense, piercing a cutting pain.
Cutting edge probably refers to the sharp edge of a knife or sword. This sharp edge is what goes first and cut through obstructions so the knife can go to vital target. â¦   Something or someone who is referred to as being on the cutting edge is someone who leads the way in a new direction or a new purpose.