QUESTION 1 The expression of a gene at an abnormal time or p
QUESTION 1: The expression of a gene at an abnormal time or place in a developing organism is referred to as __________.
A. hypomorphic
B. conditional
C. ectopic
D. dominant-negative
QUESTION 2: What sort of mutation would be most useful for determining the period of embryonic development during which a protein\'s function was needed?
A. hypomorphic
B. null
C. dominant-negative
D. conditional
| A. hypomorphic | ||
| B. conditional | ||
| C. ectopic | ||
| D. dominant-negative | 
Solution
1. Ectopic expression also refers to the expression of a gene at a point in the cell cycle or in an organism\'s development when it is not normally expressed. This can be caused by a disease, or it can be artificially produced as a way to help determine what the function of that gene is. The answer is option c.

