Adiploid species has 2n=52 chromosomes if you found a monosomy in a member of this species how many chromosomes would it have?

If 2n = 52, then in case of monosomy the equation becomes 2n - 1, which is equal to 51. Monosomy is the existence of only 1 chromosome in a particular cell instead of the normal diploma pair.

C) to ensure each new cell has an exact copy of the dna