"Since every cell in this patient's body has the same genetic change, it is most likely that . . ."

Question

Quizplus · Accepted Answer

If every cell in the patient's body has the same genetic change, it indicates that the change was present in the zygote from which all the cells developed. This means the change was inherited from a parent, making option A correct. Exposure to mutagenic agents (option B) typically affects only cells exposed to the agent and not every cell in the body. While the mother contributes genetic material, the statement does not exclude the possibility of the father also being a source, making option C incorrect. Therefore, option D is also incorrect.

"Since Every Cell in This Patient's Body Has the Same