https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:inheritance-and-variation/x0c5bb03129646fd6:chromosomes/v/chromosomes-and-genes 2022-10-19T00:04:19.365252683Z Chromosomes and genes Genes are located in the chromosomes of cells, with each chromosome pair containing two variants of each of many distinct genes. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/4a33b989-ccc9-447f-b93f-37b2a653269b_1280_720_base.png Chromosomes and genes Genes are located in the chromosomes of cells, with each chromosome pair containing two variants of each of many distinct genes. https://cdn.kastatic.org/ka-youtube-converted/taH5kyoQG0Q.mp4/taH5kyoQG0Q.mp4 204 Chromosomes, DNA and ploidy https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:development-of-organisms-and-continuity-of-life/x2a084a90105205d2:chromosomes-dna-and-ploidy/a/chromosomes-and-genes-tx 2025-11-24T23:40:47.489651768Z Chromosomes and genes Learn about chromosomes, genes, and the inherited traits of organisms. article https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:development-of-organisms-and-continuity-of-life/x2a084a90105205d2:chromosomes-dna-and-ploidy/v/stem-cells 2023-08-17T23:33:36.770424498Z Stem cells Stem cells, originating from zygotes, play crucial roles in body repair and regeneration. Explore embryonic, somatic, and induced pluripotent stem cells, their differentiation process, and their potential in regenerative medicine. Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. Vishal Punwani video https://cdn.kastatic.org/googleusercontent/_6rEaN-5eqYyTkddXiyVIlQUtIH1WreWMJvXKn9LvHZFh_9xz6ac4HylwE8zocEcpKhIH3AbMTjWSObO_ujUKmlBAg Stem cells Stem cells, originating from zygotes, play crucial roles in body repair and regeneration. Explore embryonic, somatic, and induced pluripotent stem cells, their differentiation process, and their potential in regenerative medicine. Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. https://cdn.kastatic.org/ka-youtube-converted/uUH5YI5dTOg.mp4/uUH5YI5dTOg.mp4 714 Chromosomes, DNA and ploidy https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:development-of-organisms-and-continuity-of-life/x2a084a90105205d2:chromosomes-dna-and-ploidy/a/stem-cells 2024-09-19T15:25:01.460923896Z Stem cells This article goes over stem cells and their applications in DNA technology. article https://www.khanacademy.org/science/cambridge-o-level-biology-cie/x2a084a90105205d2:development-of-organisms-and-continuity-of-life/x2a084a90105205d2:chromosomes-dna-and-ploidy/e/understand-chromosomes-and-genes-tx 2026-04-07T23:17:37.123726494Z Understand: chromosomes and genes Check your understanding of chromosomes and genes in this set of free, standards-aligned practice questions. Megan Cohn exercise