Answer:
C. they divide rapidly
Explanation:
Chemo tragets rapidly growing cells which are present in cancerous tumors, hair follicles and bone marrow.
Both parents must be carriers, which means they have the heterozygous gene (one uppercase letter & one lower case letter). They will still carry that mutated gene (because they have a lower case letter), and their offspring will have a 25% chance of getting a recessive disorder. The percentage is low but still possible.
Answer: I believe the correct answer is choice A. The chromosomes are duplicated.
I would just recommend looking up a diagram of a cell, that should help and you should get all the necessary answers
