30 points Which of the following statements is true?

Human body cells have 23 chromosomes.
Mutations are always harmful.
Genes have their own special place on a chromosome.
Adenine pairing with thymine will cause a mutation.

The penis goes in the vagina kid, the 31 year old girlfriend must be your mom asking you are you ready to go to bed.

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )