California State University, Fullerton » Biology » Biology 251 - Genetics » Spring 2021

Question #1

A mutation in DNA that changes a C to a G would be called a:

A. transition and indel

B. transition and transversion

C. point mutation, transition and indel

D. substitution mutation, point mutation and transversion

Question #2

The majority of mutations create a new function in the cell that is advantageous in evolution.

A. False

B. True

Question #3

A mutation that changes a codon for the amino acid glycine to a codon for the amino acid leucine would be called a ____________ mutation:

A. missense

B. nonstop

C. nonsense

D. silent

E. neutral

Question #4

A(n) ________ mutation in a coding sequence could result in an altered reading frame downstream of the mutation site.

A. insertion and deletion

B. transition and substitution

C. transversion and substitution

Question #5

Triple repeat expansion occurs due to slippage of base-paired strands during replication to realign the free 3'-end on the template.

A. False

B. True