Vertebrate hemoglobin and myoglobin are thought to have arisen from a common ancestral molecule due to __________ and subsequent modification.

Question

Quizplus · Accepted Answer

Gene duplication followed by subsequent modification is a commonly accepted mechanism for the origin of hemoglobin and myoglobin from an ancestral molecule. This duplication event would have resulted in duplicated genetic material that could evolve independently, leading to the development of different functions and structures for these two proteins.

Vertebrate Hemoglobin and Myoglobin Are Thought to Have Arisen from a Common