What is a point mutation? What is a silent mutation?

Mar 11, 2025 ... PolG disease is caused by inherited mutations in the POLG gene. Currently, over 200 disease-causing POLG mutations are known. POLG ... Oct 9, 2020 ... Here we explain how mutations often arise when the cell makes mistakes as a transcriber, spell-checker, and pair of magnets. Oct 1, 2023 ... Mutations (changes) to a specific gene cause Marfan syndrome, and ... People with Marfan syndrome inherit a gene mutation that changes the amount ... Mutations in the BRAF gene can cause normal cells to become cancerous. BRAF mutations are most commonly found in melanomas, but can occur in other forms of ... Feb 8, 2023 ... Other causes of mutation include the host environment. ... The Delta and Omicron variants are examples of coronavirus mutations that cause ... Jul 1, 2019 ... Mutations in IDH genes prevent cells from differentiating, or specializing, into the kind of cells they are ultimately supposed to become. May 16, 2022 ... A new study reveals that people with Alzheimer's have an abundance of newly acquired mutations in their neurons — more than people of the same ... Mutations happen for several reasons. DNA spontaneously breaks down or is not copied accurately. Most of the mutations that we think matter to evolution are “ ... Smoking tobacco and exposure to UVB radiation through sunbathing, are major factors that can cause mutations. Therefore, mutations in different domains cause a range of CF symptoms ... This mutation is caused by the deletion of three base pairs of the CFTR gene ...