In a human female, ovum consists of:

22 autosomes and 1 X-chromosome

Reason — A somatic cell in human has 23 pairs of chromosomes out of which 22 pairs are autosomes and 1 pair is sex chromosome (XX in females and XY in males). The ovum is formed as a result of meiosis that leads to halving of chromosome numbers. Therefore, In a human female, ovum consists of 22 autosomes and 1 X-chromosome.