Diploid and Haploid are two important genetic definitions in biotechnology courses. You should concentrate on deep meaning.
In reproductive sex gametes, the sperm and the eggs, the number of chromosomes is reduced. In humans it is reduced from 46 down to 23. This is the haploid number of chromosomes and consists of one each of the homologues. It is often represented by the letter “n”. In humans, 2n = 46, and n = 23.