How many chromosomes do humans have? Humans have 23 pairs of chromosomes, or 46 total, and 22 of these pairs are numbered chromosomes, known as autosomes. The 23rd pair is a pair of sex ...

Autosomes are all chromosomes that are not sex chromosomes. Many people are born with variations in sex chromosomes, also called X and Y variations or sex chromosome aneuploidy (SCA). People with ...

Instead of having two copies of each chromosome, as is typical for normal cells, the cancer cells had anywhere from one to as many as five or six copies; and sometimes there were parts of chromosomes ...

"Our research is showing that we need to look at your chromosome makeup to figure out the best treatment for you. The one-size-fits-all approach often does not work," said Aguado. "By supporting ...

“While we and many others have contributed to the general understanding of how the genome is folded inside chromosomes during mitosis—how cells dynamically acquire their intricate folding ...

offering new insights into how chromosomes are formed. Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For this, the cell ...

Specific segments of DNA are called genes. Every chromosome contains many genes, with each having a different function. For example, some instruct cells on how to make certain proteins.

a protein found in many species that was known to be involved in telomeres but whose role in mammals wasn't well understood. In yeast, RAP1 is known to block end-joining at chromosome tips.