Use the following figure to answer the next few questions.

Figure 21.1 Types of DNA sequences in the human genome.
The pie chart in Figure 21.1 represents the relative frequencies of the following in the human genome:
I.repetitive DNA unrelated to transposons
II.repetitive DNA that includes transposons
III.unique noncoding DNA
IV.introns and regulatory sequences
V. exons
-Which region is occupied by exons only (V)?
A) A
B) B
C) C
D) D
E) E

Question

Use the following figure to answer the next few questions.
  
Figure 21.1 Types of DNA sequences in the human genome.
The pie chart in Figure 21.1 represents the relative frequencies of the following in the human genome:
I.repetitive DNA unrelated to transposons
II.repetitive DNA that includes transposons
III.unique noncoding DNA
IV.introns and regulatory sequences
V. exons
-Which region is occupied by exons only (V)?
A) A 
B) B 
C) C 
D) D 
E) E

Quizplus · Accepted Answer

Exons are the coding regions of a gene, and they are spliced together to form the mature mRNA molecule. In the diagram, region A contains only exons, so it is the correct answer.

Use the Following Figure to Answer the Next Few Questions