Chromosomal Rearrangements: Deletions Practice Problems

An organism's genome contains approximately 20,000 genes. A researcher discovers a large interstitial deletion on chromosome 4 that removes approximately one-third of the chromosome's length. Approximately how many genes are expected to be deleted in this region?

Which of the following best describes interstitial deletion?

Duchenne muscular dystrophy is an X-linked disorder characterized by deletion/duplication in the dystrophin gene. Which of the following is true with regard to Duchenne muscular dystrophy:

Which of the following is a potential consequence of a chromosomal deletion?

Which genetic disorder is caused by a deletion on chromosome 5?

In which type of deletion is a segment removed from the middle of a chromosome?