Quiz Details
QZ-20260222-79433
Topics:
Discovery of DNA
Punnett Squares
Pedigrees
Mutagens
Somatic and Germline Mutations
Difficulty:
Level 3 - Medium
Questions:
5
Generated:
February 22, 2026 at 05:40 AM
Generated by:
Guest User
Instructions: Select an answer for each question and click "Check Answer" to see if you're correct. Then view the explanation to learn more!
1 Who is credited with the discovery of the structure of DNA?
Correct Answer:
D
Explanation: James Watson and Francis Crick are credited with the discovery of the double helix structure of DNA in 1953, based on Rosalind Franklin's X-ray diffraction images.
Explanation: James Watson and Francis Crick are credited with the discovery of the double helix structure of DNA in 1953, based on Rosalind Franklin's X-ray diffraction images.
2 In a Punnett Square, what does each box represent?
Correct Answer:
D
Explanation: Each box in a Punnett Square represents a possible genotype of the offspring resulting from the combination of parental alleles.
Explanation: Each box in a Punnett Square represents a possible genotype of the offspring resulting from the combination of parental alleles.
3 What does a pedigree chart primarily illustrate?
Correct Answer:
B
Explanation: A pedigree chart is used to illustrate the inheritance patterns of traits within a family, showing how traits are passed down through generations.
Explanation: A pedigree chart is used to illustrate the inheritance patterns of traits within a family, showing how traits are passed down through generations.
4 Which of the following is considered a mutagen?
Correct Answer:
D
Explanation: Ultraviolet radiation is a known mutagen that can cause changes in the DNA sequence, leading to mutations.
Explanation: Ultraviolet radiation is a known mutagen that can cause changes in the DNA sequence, leading to mutations.
5 What is the main difference between somatic mutations and germline mutations?
Correct Answer:
C
Explanation: Germline mutations occur in the reproductive cells and can be passed to offspring, whereas somatic mutations occur in non-reproductive cells and are not inherited.
Explanation: Germline mutations occur in the reproductive cells and can be passed to offspring, whereas somatic mutations occur in non-reproductive cells and are not inherited.