How many chromosomes do humans have in each cell?

In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females. read more

Humans have 46 chromosomes in each cell. During fertilization of the egg, the sperm nucleus containing 23 chromosomes from the paternal side fuses with the nucleus of the egg that contains 23 chromosomes from the maternal side. read more

According to the National Human Genome Research Institute, chromosomes are arranged in pairs inside the nucleus of each cell. Almost all of the cells in the body have a full set of chromosomes, with the exception of reproductive cells, or gametes, which carry only half a set. read more