Genetics MCQ Multiple Choice Questions Answers for Practice

1. Proteins are made of amino acids linked together by specific bonds called

2. What are the repeating units of nucleic acids?

3. ______ is a genetic changes that occur in more than 1 percent of the population

4. Which of the following is not needed for DNA transcription?

5. A pedigree chart shows:

6. BRCA-1 is associated with which cancer?

7. A heritable feature is a ______ and may have two or more variants called

8. Proteins that assist the binding of RNA polymerase to the promoter region on DNA strand are called

9. Cancer cells are

10. Normal human eggs have

11. The cytoplasm of an animal cell is divided by means of:

12. Which of the following is correct?

13. Which of the following may contribute to causing cancer?

14. Which of the following is not true of DNA?

15. Those mutations that occur by environmental damage or mistakes during DNA replications are

16. Why is sickle cell disease so called?

17. Those cancers that derived from ectoderm or endoderm of epithelial cell are called

18. During cell division there are three types of check points one of them (M checkpoint) to ensure

19. Proto-oncogene in normal cells

20. Which of the following factors could lead to variations in the offspring of asexually reproducing organisms?

21. The enzyme which builds a mRNA strand complimentary to the DNA transcription unit is called:

22. Changes in the nucleotide sequence of DNA which arent passed to offspring occur in

23. A gene is a section of DNA that codes for a protein, this unique sequence of bases will code for the production of a unique protein is:

24. The triplet code of CAT in DNA is represented as ______ in mRNA and ______ in tRNA.

25. ______ portions of chromosomes that stain lightly andonly partially condensed

26. Those mutations that arise in the absence of known mutagen are known

27. Chromosomes measurements are generally taken during

28. Which of the following is correct with regard to aneuploidy?

29. The X - ray diffraction studies conducted by ______ were key to the discovery of the structure of DNA

30. Carriers of the colour-blindness trait include:


MCQ quiz on Genetics multiple choice questions and answers on Genetics MCQ questions quiz on Genetics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams.

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