15. Gene Expression

A point mutation in which a single base pair is inserted or deleted from DNA is called a(n) __________.

Which of the following mutations of the ras gene is most likely associated with cancer?

What type of mutation involves a break in a section of DNA that flips and then re-attaches?

What is the effect of a nonsense mutation in a gene?

What type of mutation might occur that causes proto-oncogenes to become oncogenes?

How does a single change in a nitrogen base alter the formation of a resulting protein?

Why do different mutations accumulate in two species once they diverge?

What is the primary difference between gene mutations and chromosome mutations?

Which factor is most likely to cause an increase in the frequency of genetic mutations in humans?

Which type of mutation would have the most significant impact on the gene product?

Which of the following is a mutagen?

What type of mutation involves the loss of a single nucleotide, leading to a frameshift mutation?

What is an example of a neutral mutation?

What did researchers discover about the genetic mutation causing the loss of pelvic spines in certain fish populations?

Which of the following is true concerning a somatic cell mutation?