Genome Diagram
Biology: Cambridge International GCSE Supplement, topic 17.1.2
Is a Gene Bigger than DNA?
A gene is a segment of DNA. But there can be fragments of DNA that are smaller than a gene. This question is like asking whether a city or a community is bigger. They are kind of the same depending on how you define them.
Test yourself on Genome Diagram
How many chromosomes does the human body contain?