It really means the answer is yes to a rare number. We are able to have a dog like a chihuahua because we choose to maintain these diminutive trait inducing mut

It really means the answer is yes to a rare number. We are able to have a dog like a chihuahua because we choose to maintain these diminutive trait inducing mutations that are already there for us to select upon in the population. There probably are elephants being birthed that are 1/100th the normal weight but they probably are nonviable and we therefore don’t see them marching in adulthood.