Multiple Choice
Two populations that inhabit the same area but remain genetically distinct can best be called:
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
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Short regions of DNA that help position RNA polymerase are called:
A
Exons
B
Promoters
C
Introns
D
Enhancers
Verified step by step guidance1
Understand the role of different DNA regions in gene expression. Some regions code for proteins, while others regulate the process of transcription.
Recall that exons are sequences within a gene that are expressed and translated into proteins, while introns are non-coding sequences removed during RNA processing.
Recognize that enhancers are DNA elements that increase the rate of transcription but do not directly position RNA polymerase.
Identify that promoters are short DNA sequences located near the start site of a gene that serve as binding sites for RNA polymerase, helping to position it correctly for transcription initiation.
Conclude that the DNA regions responsible for positioning RNA polymerase are called promoters.
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