Genetics is the study of genes, genetic variation, and heredity in organisms. [1][2][3] It is an important branch in biology because heredity is vital to organisms' evolution.

Jan 22, 2026 · Genetics, study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and …

May 15, 2024 · Genes are specific sections of DNA that have instructions for making proteins. Proteins make up most of the parts of your body and make your body work the right way. You have two …

Apr 8, 2024 · Genetics is the study of genes and heredity—how traits are passed from parents to children through DNA. A gene is a segment of DNA that contains instructions for building one or …

2 days ago · Genetics is the branch of biology concerned with the study of inheritance, including the interplay of genes, DNA variation and their interactions with environmental factors.

MedlinePlus Genetics provides information about the effects of genetic variation on human health. Learn about genetic conditions, genes, chromosomes, and more.

Genetics is the study of how genes and how traits are passed down from one generation to the next. Our genes carry information that affects our health, our appearance, and even our personality!

2 days ago · A person’s genes play a far greater role in likely lifespan than previously thought, according to a major new study published Thursday in the journal Science. Using data from human twin studies ...

3 days ago · Scientists have long believed that longevity is shaped by lifestyle choices; however, a new study reveals that genes may play a larger role in determining how long people live.

Jul 26, 2025 · Understanding human genetics is like holding a mirror to our biological soul. It tells us where we come from, how we grow, why we get sick, and even how we might be healed.