Point 22 of 28 — Lesson 2: DNA Structure, Replication and DNA Repair EnzymesQuestion bank: 0 questions (0 with pictures)
23Worked example 11 — reasons
Why does a salamander have 30 times more DNA than a human but fewer traits? Because most of the extra DNA is non-coding or repetitive and does not specify proteins; the number of traits depends on the number of coding genes, not on total DNA.
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