Grammar Quiz

[ Vocabulary ]

Mathematical geneticists showed that the gene frequency change by __________ is much smaller than the change by natural selection.

A. mutation

B. forest fire

C. invisible

D. vision

Select your answer:
         


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Modal Verb, Passive VoiceConjunctions - ConnectorsSentence Adverbs & Third ConditionalInfinitives or GerundsModal, Causative Verb & Elliptical StructureSubjective and Objective PronounNouns & PronounsPast simple regular verbsParts of Speech and Compound Sentences

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