can only occur at the time of fertilization. can cause abnormal development of the offspring. are always beneficial to the organism. are rarely passed on to the next generation.
I gave my students this multiple choice question: Chromosome mutations involve the deletion or duplication of many genes. The effects of chromosome mutations are often much greater than mutations within a single gene, because chromosome mutations

Only one answer is correct among these 4 choices:
- can only occur at the time of fertilization.
- can cause abnormal development of the offspring.
- are always beneficial to the organism.
- are rarely passed on to the next generation.

Could you tell me which one is correct?

can cause abnormal development of the offspring.