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HEC ETC - USAT GS Entry Test - Biology - Chromosomes and DNA - Quiz 2

Practice 10 high yield MCQs on Biology from Chapter Chromosomes and DNA for USAT GS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. How many chromosomes do humans have?



12. What are autosomes and sex chromosomes?



13. What is a gene?



14. What is the complete set of genetic material in an organism called?



15. What is the process of copying DNA called?



16. What is the process of making proteins from mRNA called?



17. What is a change in the DNA sequence called?



18. What is a sequence of three nucleotides that codes for an amino acid?



19. Is the genetic code universal?



20. What technique is used to identify individuals based on their DNA?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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