Why it is unlikely for children to have an identical combination of traits to their parents.?

Because everything is not just about the parents, its also about the grand parents and the great grands ;)

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 )