Inversion (Chromosome Mutation) — Definition & Examples
Read this topicExplanations 3
- What Is Inversion? Inversion is a type of chromosome rearrangement where a segment of a chromosome gets flipped around. These mutations aren't totally awful because there is sti…
By Aaron Lauer, Alex Federspiel, Deena Hauze, Gabi Slizewska, Mario Janakis, Caroline K
- What Does Inversion Mean? Chromosome mutations change the number or structure of the chromosomes. These mutations can even change the location and number of certain genes on a c…
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis, Caroline K
- (Video) Chromosomal Mutations by Kevin Glass A chromosomal inversion is when a piece of a chromosome breaks off, flips around, and reattaches. Watch the video above to see what …
By Mario Janakis
Problems 20
- Why are inversion mutations not as harmful as other types of chromosome mutation?
- What cellular activity is occurring incorrectly that causes chromosome mutations to happen?
- Which of the following statements best describes inversion?
- Look at the diagram above. Which of the following shows an inversion?
- A common mutation involves a part of chromosome 9 breaking off and then reattaching in the opposite direction. What kind of mutation is this?
- You are studying a specific chromosome and notice that the order of genes has been reversed. What type of mutation happened?
- During DNA replication, a piece of a chromosome broke off. It flips 180∘^{\circ}∘ and then reattaches in the same place on the chromosome. What mutation am I describing?
- Haemophilia is a genetic disorder which can lead to ineffective clotting an excessive bleeding. A common cause of this disorder is an inversion of parts of the F8 gene. If possi…
- A particular DNA sequence contains genes D, E, F, G, and H. After the sequence is mutated, it contains genes D, E, G, F, and H. What kind of mutation most likely caused this?
- A chromosome holds the sequence for genes A, B, C, D, E, and F. After a mutation occurs, the sequence holds genes A, B, E, D, and C. What kind of mutation is this?
- If the original sequence of genes on one chromosome is 1, 2, 3, 4, 5, 6, then which of the following shows an inversion mutation?
- Which mutation doesn't change the overall amount of DNA within a cell? Select any that apply.
- What mutation rearranges the order of genes on a chromosome, without changing the overall amount of DNA?
- What needs to happen in order for an inversion mutation to occur?
- Fill in the blank. An inversion mutation occurs when a segment of a chromosome detaches, turns 000‾\underline{\phantom{000}}000 degrees, and then reattaches to the chromosome.
- Which of the following is true about an inversion mutation? Select any that apply.
- What kind of mutation is shown in the picture above?
- Which of the following is false about an inversion mutation?
- When looking at a karyotype, which of the following mutations would be most difficult to spot, assuming they affect the same number of genes?
- A chromosomal mutation occurs. Only one chromosome is involved and no genetic material was lost or gained. What mutation is this?