* Human sperm cells have 23 chromosomes. They are haploid, meaning they carry half the usual number of chromosomes. This is because they need to combine with an egg cell (also haploid) to create a fertilized egg with the full set of 46 chromosomes.

* Human blood cells are diploid, meaning they have 46 chromosomes. This is the typical number of chromosomes in most human cells.

Therefore, there are no chromosomes seen in a human sperm cell that are not also in a blood cell.

The difference is the *number* of chromosomes, not the type.