A cell would have 46 chromosomes during metaphase I.
I'm not sure what you're asking, but if you're looking for a word to describe this change its "mutation"
A diet deficient in calcium can cause osteopenia. The deficiency of calcium may Cause a low bone density which is a condition caused in osteoporosis. Hence the correct answer is B osteopenia.
Answer:
An adaptation is a trait an animal has, physical or behavioral, that helps it survive or act in unique ways.