Chapter 7, Problem 11P

Summary Introduction

To explain: In the given two sets of cells, the set of cells that will have descendents of the original cell that can “remember” that the progenitor cell has experienced the transient signal.

Concept introduction: Transcription is a process of the central dogma where RNA is produced from the DNA with the help of proteins. One such set of proteins are the transcriptional regulators that initiate the transcription and recruit the RNA polymerase. The other set of proteins are transcriptional repressors that inhibit the transcription and prevent binding of RNA polymerase. Cis-regulatory elements or Cis-regulatory sequences are regions that are found in the non-coding DNA regions that regulate the transcription of adjacent genes.