query: Why are there still useless traits/mutations in our body
positive_passages.docid: 15250
positive_passages.text: Why do some bad traits evolve, and good ones don't?
negative_passages.docid: 65023
negative_passages.text: Number of genes required to sustain life
negative_passages.docid: 66816
negative_passages.text: Functions of the CFTR gene?
negative_passages.docid: 149908
negative_passages.text: How is the skillset of an evolution being chosen?
negative_passages.docid: 31401
negative_passages.text: Why do we have no enzyme to digest cellulose?
negative_passages.docid: 143959
negative_passages.text: Is there any evidence that immunity or resistance is heritable?
negative_passages.docid: 5454
negative_passages.text: Does our DNA change during our lives?
negative_passages.docid: 150434
negative_passages.text: Any evolutionary explanation for human blood groups?
negative_passages.docid: 143386
negative_passages.text: Is it the case that all changes in phenotype during life are not inheritable?
negative_passages.docid: 98582
negative_passages.text: Neanderthal/Human Genetics
negative_passages.docid: 39836
negative_passages.text: Why have parasites not evolved to be harmless?
negative_passages.docid: 70808
negative_passages.text: Is most of the human genome functionless “junk DNA”?
negative_passages.docid: 27090
negative_passages.text: Do humans have enough biological differences to be grouped into races or subspecies?
negative_passages.docid: 83993
negative_passages.text: Has medical progress stopped human evolution?
negative_passages.docid: 122185
negative_passages.text: Why are there no organisms with metal body parts, like weapons, bones, and armour? (Or are there?)
negative_passages.docid: 5549
negative_passages.text: How is evolution possible in contemporary humans?
negative_passages.docid: 96187
negative_passages.text: Changing the definition of life?