Question

Question: The DNA of sea urchins contains about 32% A. What percentages of the other three bases would you expect in sea urchin DNA? Explain.

Short answer

The percentages of bases in the DNA of sea urchins are:

Base percentage
Adenine	Guanine	Thymine	Cytosine
32%	18%	32%	18%

Step-by-step solution

Definition of DNA Sequence

Determining the order of the four chemical building blocks - called "bases" - that make up the DNA molecule is defined as DNA sequence.

Explanations

DNA of sea urchins contains about 32%. The base percentage of thymine will be 32%

In the case of guanine and cytosine, they must have equal percentages. If we divide the remaining 36% by 2 we can distribute 18% to each base.