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";s:4:"text";s:3067:"Mutations can occur in two different types of cells: 1. Define mutation. A mutation is a permanent change in a DNA sequence. PLAY. An exception to this is if the mutation occurs to the DNA that controls regulation of the cell cycle. Biology Unit 3 DNA Mutations Test Quizlet. The mutation changes the protein sequence without consequence The mutation changes the protein sequence and alters protein function (could be a positive or negative change). The presence of an altered gene within the egg and sperm (germ cell) such that the altered gene can be passed to subsequent generations. Cause: Any change in the DNA helical structure is a cause of mutation. The genes from one chromosome can move to another position on the same chromosome; alternatively, they can become incorporated into a different chromosome. A gene mutation is any change that occurs in the DNA. Definition. change a codon to one that encodes a different amino acid and cause a small change in the protein produced. In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements. The whole human family is one species with the same genes. Mutation creates slightly different versions of the same genes, called alleles. The standard answer is found here, and should be used on your biology exam: The causes of mutations IMHO random mutation, while Im This means changes to the DNA or to the chromosomes which carry the DNA. THis is for the test on Monday. This can result in cancer. Mutation is a change in DNA, the hereditary material of life. ADVERTISEMENTS: In this essay we will learn about Mutation. STUDY. A BBC Bitesize secondary school revision resource for Higher Biology on mutations: gene and chromosome mutations, mutagenic agents, polyploidy. A change in the genes or chromosomes of an organism. In biology, mutations are changes to the genetic material (usually DNA or RNA). Somatic mutations usually do not affect the individual. Mutation is a sudden,irreversible change in one or more genes or in the number or in the structure of chromosomes thereby altering the hereditary material of an organisms cells. A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. Dictionary entry overview: What does mutation mean? Mutations that occur in somatic (body) cells usually result in killing that body cell only. In other words, when a segment or base pair of a DNA is either deleted or inserted, it may lead to chromosome abnormalities or aberrations. Compared to the mutations of RNA and proteins, DNA mutation is more serious. If a mutation has a negative outcome that affects the organism's ability to survive or reproduce, the organism is less likely to pass on its genes. A germ cell mutation is any detectable and heritable variation in the lineage of germ cells. Mutations can occur in two different types of cells: 1. Biology. In biology, a mutation is a change in the genetic material. Gamete (sex) cells. ";s:7:"keyword";s:27:"what is mutation in biology";s:7:"expired";i:-1;}