5-bromouracil is a base analoge or antimetabolite. It substitutes thymine residue in DNA. After one cycle of replication it introduce other base and in this way it makes a point mutation.
radiation------Causes of Mutation:1. Drugs / Chemicals2. Viruses3. Radiation4. Random Copy Errors (cause of 70% of all Mutation occures)
Adding or subtracting just one nucleotide would cause a frame shift mutation.
Mutation is the cause of evolution. Mutation is what creates differences in individuals within a species, leading to diversion. Then "survival of the fittest" can occur.
No.
b: the organism, but not its offspring
Yes, a point mutation will cause the cell to make an incompelete polypeptide chain that is non-functional, if the mutation results in a stop codon. This type of a mutation is also called as the Nonsense Mutation.
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Radiation is an main cause
Yes, it is caused by an autosomal dominant mutation. One copy of the mutation will cause the condition.
radiation------Causes of Mutation:1. Drugs / Chemicals2. Viruses3. Radiation4. Random Copy Errors (cause of 70% of all Mutation occures)
not by itself
A genetic mutation can cause a variation, which may be harmless, or may be harmful, depending on where on the DNA molecule it occurs.
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Mutations can cause diseases such as cancer
Missense mutation Nonsense mutation Frameshift insertion Frameshift deletion All may cause antibiotic resistance in bacteria
Radiation can cause sunburn, cancer, genetic mutation.
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