Subject genetic variation
Predicate has_property
Object necessary
Modality
Modality Occurrences
Polarity POSITIVE
Plausibility 0.8607
Neighborhood Sigma 0.8850
Local Sigma 0.8607
Example Sentences
Sentence Occurrences Source
genetic variation is necessary for natural selection to occur 4 Google Autocomplete, Answers.com Questions
genetic variation is necessary for evolution to occur 2 Google Autocomplete
genetic variation is necessary for evolution 2 Google Autocomplete
a genetic variation is necessary for natural selection to occur 4 Google Autocomplete
genetic variations are necessary 2 Google Autocomplete