You asked: What are 23 pairs of chromosomes?

What are the 24 chromosomes?

There are 24 distinct human chromosomes: 22 autosomal chromosomes, plus the sex-determining X and Y chromosomes. Chromosomes 1-22 are numbered roughly in order of decreasing size.

What happens when you have 47 chromosomes?

Humans have 23 pairs of chromosomes. A trisomy is a chromosomal condition characterised by an additional chromosome. A person with a trisomy has 47 chromosomes instead of 46. Down syndrome, Edward syndrome and Patau syndrome are the most common forms of trisomy.

Can you have 48 chromosomes?

Males with XXYY syndrome have 48 chromosomes instead of the typical 46. This is why XXYY syndrome is sometimes written as 48,XXYY syndrome or 48,XXYY. It affects an estimated one in every 18,000–40,000 male births.

Can a human have 22 chromosomes?

Humans normally have two copies of chromosome 22 in each cell. Chromosome 22 is the second smallest human chromosome, spanning about 49 million DNA base pairs and representing between 1.5 and 2% of the total DNA in cells.

Chromosome 22
Entrez Chromosome 22
NCBI Chromosome 22
UCSC Chromosome 22
Full DNA sequences
IT IS INTERESTING:  Best answer: How many sister chromatids are in a pair of homologous chromosomes?