In C. elegans ced-9/ced-3 double mutants
A)131 cells always die.
B)all 1090 cells die.
C)all 1090 cells live.
D) only 959 cells live.

Name: In C. elegans ced-9/ced-3 double mutants A)131 cells always die. B)all 1090 cells die. C)all 1090 cells live. D) only 959 cells live.
Brand: Quizplus
Rating: 4.9 (41 reviews)

Question

In C. elegans ced-9/ced-3 double mutants  
A)131 cells always die.
B)all 1090 cells die.
C)all 1090 cells live.
D) only 959 cells live.

Quizplus · Accepted Answer

In C. elegans, the ced-9 gene normally inhibits cell death, while ced-3 promotes it. In ced-9/ced-3 double mutants, the pro-death signal from ced-3 is absent, allowing all 1090 cells to survive.

In C. Elegans Ced-9/ced-3 Double Mutants