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 30, 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 …

Jul 9, 2025 · What is a gene? Genes are segments of DNA that give your body the instructions for a specific characteristic (trait) or process. DNA is the molecules that make up those instructions. It’s …

1 day 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.

Dec 8, 2025 · Genetics refers to the study of genes and the way that certain traits or conditions are passed down from parents to children. Genomics, on the other hand, describes the study of all of a …

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

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.

All humans have the same genes arranged in the same order. And more than 99.9% of our DNA sequence is the same. But the few differences between us (all 1.4 million of them!) are enough to …