The first three groups contain genes that regulate touch cell development, and the last group (function) contains genes that are developmental targets of this regulation.
(The first three groups; contain; genes that regulate touch cell development) (genes; regulate; touch cell development) (the last group; contains; genes that are developmental targets of this regulation) (genes; are; developmental targets of this regulation)
The first three groups genes the last group genes
contain regulate contains are
genes that regulate touch cell development
touch cell development
genes that are developmental targets of this regulation
developmental targets of this regulation