How many chromosomes are there in one cell?

5 days ago ... 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

Most cells have 46 chromosomes apart from the sex cells which only have 23 chromosomes each. When these two cells fuse they create the 46 chromosomes. There are two types of chromosome: X and Y. Egg cells only have X chromosomes and a sperm could have either X chromosomes or Y chromosomes. read more

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. Females have two copies of the X chromosome, while males have one X and one Y chromosome. read more

Human cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell. In addition to these, human cells have many hundreds of copies of the mitochondrial genome. read more