Generally the mutations have

A. Lethal effect

B. Deleterious effect

C. Good effect

D. Both A and B

Answer: Option D

Solution(By Examveda Team)

Generally the mutations have both Lethal and Deleterious effects.
Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious.
In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.