Traits may undergo a variation.Logical formLearned from8 sentences. Traits may play a role.Logical formLearned from8 sentences. Some traits may appear.Logical formLearned from8 sentences. A person may inherit a trait.Logical formLearned from8 sentences. Traits can be approved.Logical formLearned from8 sentences. A trait can be protective.Logical formLearned from8 sentences. A bunch can be constituted-of-or-filled-with traits.Logical formLearned from8 sentences. Individual differences can be in traits.Logical formLearned from8 sentences. Traits may be measured.Logical formLearned from8 sentences. Genes can be for a trait.Logical formLearned from8 sentences. Traits may vary.Logical formLearned from8 sentences. Persons may share a trait.Logical formLearned from8 sentences. A trait may be inherited.Logical formLearned from8 sentences. Traits may undergo a manifestation.Logical formLearned from8 sentences. Traits can be canine.Logical formLearned from8 sentences.