At what stage is a mutation predicted to have the effect?

Name: At what stage is a mutation predicted to have the effect?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Mutations that affect development and growth are expected to occur early, during embryonic development, which is when the basic body plan is established. Mutations that occur later may still have an effect, but are less likely to have as significant an impact on overall growth and development. Therefore, the best choice is D, during early embryonic development.

At What Stage Is a Mutation Predicted to Have the Effect