2. Genetics

Mutations — Quiz

Test your understanding of mutations with 5 practice questions.

Practice Questions

Question 1

Which type of chromosomal mutation involves a segment of a chromosome breaking off and attaching to a different, non-homologous chromosome?

Question 2

A point mutation occurs in the third base of a codon, changing $UCU$ to $UCC$. Both codons code for the amino acid Serine. What is the most accurate classification of this mutation's effect on the protein?

Question 3

Consider a scenario where a mutation in a gene leads to the production of a protein that is significantly shorter than the original, due to the introduction of a premature stop codon. What is the most likely consequence for the organism?

Question 4

Which of the following environmental factors is most likely to cause a mutation by directly damaging DNA strands, leading to breaks or abnormal cross-links?

Question 5

A mutation occurs in a germline cell, changing a codon from $AAA$ (Lysine) to $GAA$ (Glutamic Acid). If this mutation is passed on to offspring, what is the most significant long-term implication for the population?