question: While Darwin was n't sure about blending inherited traits , what was his opinion about utilizing inherited variation ?
answer: Darwin 's concept of selection working on a population with a range of small variations was workable
turker_answer: While Darwin was n't sure about blending inherited traits , Darwin 's concept of selection working on a population with a range of small variations was workable was his opinion about utilizing inherited variation .
rule-based: While Darwin was n't sure about blending inherited traits , Darwin 's concept of selection working on a population with a range of small variations was workable was his opinion about utilizing inherited variation .