Question: are sperm cells haploid or diploid?
Answer: All cells in a higher eukaryote (like us) are diploid EXCEPT...for the germ cells eggs and sperm. Germ cells have only half the number of chromosomes as a diploid cell one of each pair - and are termed haploid (n). In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y.