Genes are segments of DNA on chromosomes that code for specific proteins. These proteins carry out various functions throughout your body and determine various traits, such as your eye color or ...

Autosomes, or autosomal DNA, make up 22 pairs of chromosomes in your body. Small variations in these genes determine your genetic makeup and whether you inherit certain traits and conditions.

Human DNA contains roughly 3 billion letters of genetic code. However, we understand only a fraction of what this vast ...

Of these pairs 22 are the same in everyone, while one pair—the X and Y pair called the sex chromosomes—gives rise to male and female traits. Each chromosome contains many genes, which are ...

Genes are made of DNA, which determines what an organism is like, its appearance, how it survives, and how it behaves in its environment. All living beings have genes, which can also affect a ...

A deeper understanding of how DNA changes over generations helps scientists learn why people differ and how diseases develop.

DNA is found in nearly all living cells. However, its exact location within a cell depends on whether that cell possesses a special membrane-bound organelle called a nucleus.

Chromosomes are thread-like structures comprising DNA that are present inside the nucleus of every cell in the body. Specific segments of DNA are called genes. Every chromosome contains many genes ...

Work has begun on something once-unthinkable: creating human DNA from scratch. Artificial DNA has long been an ethical ...

Sex chromosomes are chromosomes, or packages of DNA, that are found inside the nucleus of all of your cells. There are two different kinds: X and Y, which determine whether you’re biologically ...

Regulatory genes -- genes that control how other genes are used -- are responsible for 69% of the heritability of dairy cattle traits such as milk production and fertility, according to a new study.