Q. Differentiation of organs and tissues in a developing organism, is associated with
A) differential expression of genes
B) lethal mutations
C) deletion of genes
D) developmental mutations
Explanation
[Solution from source] All cells of an organism carry the same genes; they differentiate into different tissues because different sets of genes are switched on or off in each. Mutations and gene deletions are abnormal events, not the basis of normal development. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.