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. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Genetics Quiz Question with Answer

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

  1. Peptide bonds
  2. Nitrogen bonds
  3. Hydrogen bonds
  4. Hydrogen & Nitrogen bonds

2. What are the repeating units of nucleic acids?

  1. phosphate molecules
  2. nucleotides
  3. bases
  4. sugar molecules

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

  1. Polymorphisms
  2. Monotheism
  3. Frameshift mutation

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

  1. Ribosomes
  2. Nucleotides
  3. DNA
  4. Enzymes

5. A pedigree chart shows:

  1. The genotypic ratios of the offspring.
  2. The types of gametes produced by the parents.
  3. The pattern of inheritance of a specific gene.
  4. Which genes are co-dominant.

6. BRCA-1 is associated with which cancer?

  1. Thyroid
  2. Leukemia
  3. Lung
  4. None of the above

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

  1. trait/characteristics
  2. character/traits
  3. character/factors
  4. trait/factors

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

  1. Transcription factor
  2. SSB protein
  3. Sigma factor
  4. All of the above

9. Cancer cells are

  1. Unlimited number of cell divisions
  2. Growth without external signals
  3. Avoidance of cell death
  4. All of the above

10. Normal human eggs have

  1. 22 autosomes and an X chromosome.
  2. 22 autosomes and a Y chromosome.
  3. 23 autosomes.
  4. 46 chromosomes.

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