Why does society allow talentless people become famous and rich? For example: the kardashians, rappers with horrible music, girls who belly dance on tik tok

Probably because all of us feel better about ourselves when looking at them and seeing how shallow and narcisistic they are.

For two of your three examples, it's usually because people find them attractive.

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

it would lead to upper respiratory infections and pneumonia.