For example, the genes for antibiotic resistance are usually encoded on bacterial plasmids and can be passed between individual cells, even those of different species, via horizontal gene …

Jul 9, 2025 · For example, genes write instructions not just for your hair color, eye color and height, but also how your muscles help you move and how your immune system responds to …

Jan 6, 2026 · Learn the difference between genes, alleles, and loci with simple explanations and examples. A beginner-friendly guide to genetics basics.

Dec 4, 2025 · Genes are composed of deoxyribonucleic acid (DNA), except in some viruses, which have genes consisting of a closely related compound called ribonucleic acid (RNA). A …

These genes contain sequences called exons, which provide the instructions for protein synthesis. For example, the BRCA1 gene is crucial for DNA repair and is linked to breast cancer risk. …

May 21, 2024 · What is a gene? A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called …

2 days ago · And genes are the part of our genome that encodes the information for making those proteins. For example, the human genome has roughly 20,000 protein-coding genes. …

Aug 3, 2025 · Each gene is a specific sequence of DNA bases that tells the cell how to assemble amino acids into a functional protein. Some genes code for enzymes that catalyze chemical …

Sep 8, 2023 · A gene is a sequence of nucleotides in a particular nucleic acid. Thus, it is a segment in DNA or RNA molecule that encodes for either an RNA or a protein by gene …

Genes consist of deoxyribonucleic acid (DNA). DNA contains the code, or blueprint, used to synthesize a protein or a ribonucleic acid (RNA) molecule. Genes vary in size, depending on …