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Biology MCQs

Page 4 of Biology multiple-choice questions with answers. Tap an option to check yourself.

Page 4 of 75

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Question 74 Biology

Why is the work of Tjio and Levan so important?

Correct answer B. They established the number of human chromosomes

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Question 76 Biology

What is a cistron?

Correct answer C. Functional unit of a gene

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