Mutations and Natural Selection | Evolution | Biology | FuseSchool

The way we grow and develop in the womb is controlled by our DNA. Small sections of DNA, called genes, carry the code telling the body how to build itself. Usually this works fine, but sometimes those genes carry mistakes in their code. These mistakes, known as mutations, may have no effect, they may be beneficial, or they may be harmful. If the mutation is beneficial, the mutated individual will have a better chance of surviving and reproducing, with all the offspring benefitting from the mutation too. Alternatively, a harmful mutation means that that individual may not be able to survive and reproduce. As mutations in DNA are a random and ongoing process, non-beneficial and harmful genes are eventually “weeded out” of a population in a process called Natural Selection. Species evolve through a slow process of natural selection so that only the beneficial mutations are incorporated into the population, whilst the harmful ones are removed. VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you. These videos can be used in a flipped classroom model or as a revision aid. Twitter: https://twitter.com/fuseSchool Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org Friend us: http://www.facebook.com/fuseschool This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View License Deed: http://creativecommons.org/licenses/by-nc/4.0/ ). You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: info@fuseschool.org Click here to see more videos: https://alugha.com/FuseSchool

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