Question

At which stages of meiosis are the cells haploid and diploid?

Answer 1

Cells are diploid at the start, when cells divide twice to produce four haploid cells.

Explanation:

In meiosis, the starting cell is a diploid. The diploid cell divides twice to produce four haploid cells.
We can say that a diploid cell has 2n chromosomes produces four haploid cells, which have n chromosomes.