The mutation responsible for Huntington's disease is a
A. frameshift mutation.
B. missense mutation.
C. nonsense mutation.
D. triplet repeat expansion mutation.
Answer: D
You might also like to view...
HIV has an RNA genome that is converted to DNA when infecting a human immune cell. This type of virus is called a ________.
A. retrovirus B. bacteriophage C. reverse transcriptase D. prion
The chromosomes are moving to opposite
sides of the cell during
a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase
The MMR vaccine protects against measles, _______, and rubella.
Fill in the blank(s) with the appropriate word(s).
A seedling growing toward the source of light is an example of:
a. shade avoidance. b. a positive hypersensitive response. c. a negative hypersensitive response. d. a positive phototropic response. e. a negative phototropic respons