What is a point mutation? A. A change in multiple nucleotide bases. B. A change in the reading frame of the genetic code. C. A change in a single nucleotide base. D. A deletion of a large section of DNA. 相关知识点: 试题来源: 解析 C。原因:文章中明确指出“Point mutations are ...
(a) What is a mutation? (b) What are the causes of mutation?DNA:DNA is the nucleotide sequence that contains all the information for a cell to be functional. It has many structural elements and one of them is called a gene. A gene codes for a protein that folds and performs a...
Provides a quick introduction of point mutation, which is a gene mutation that changes a single nucleotide base pair of DNA or RNA.
The hunt for pathogenic mitochondrial DNA (mtDNA) mutations is often fueled by the seeming novelty of mutations that are either nonsynonymous or affect the protein synthesis machinery in patients. In order to determine the novelty of a detected mutation, the working geneticist nearly always consults...
Mutation testing, also known as code mutation testing, is a form ofwhite box testingin which testers change specific components of an application'ssource codeto ensure a software test suite can detect the changes. Changes introduced to the software are intended to cause errors in the program. ...
found a new, homoplasmic T9137C mutation in the patient, but not in 50 control subjects: the mutation converts a moderately conserved isoleucine by tryptophan but its pathogenic role is unclear''. In- deed, the role of T9137C is still unclear, mainly be- cause this mutation is ...
A gene mutation is a small change that occurs in yourDNA.It can happen at any time. Often, these alterations have little effect. But other times, they can trigger uncontrolled cell growth, which can encourage diseases like cancer to develop, grow and spread. ...
I'm a music publisher, and twice a year, I have to calculate how much royalties I need to pay to my writers & co-publishers. This is a complex...
The hunt for pathogenic mitochondrial DNA (mtDNA) mutations is often fueled by the seeming novelty of mutations that are either nonsynonymous or affect the protein synthesis machinery in patients. In order to determine the novelty of a detected mutation, the working geneticist nearly always consults...
The chemicals and bio-engineering that is done on crops is a kind of mutation, based on what we have learned. Please note that we are not doctors ourselves and we do not claim to provide any medical advice. All of the information we share is strictly educational. We share what we have...