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nonsense mutation-a sequence forms a stop codon to early forming a gene that doesnt work
missense mutation-a nucleotide replaces another which can cause a different effect or in some cases codes for the same effect so nothing happens
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoThere are four classes of mutations:
- spontaneous mutations (molecular decay)
- mutations due to error in replication of DNA
- damage errors introduced during DNA repair
- induced mutations caused by mutagens
The first is just what happens when coping of DNA occurs in aging cells. As when a student is copying notes and makes mistakes.
The second occurs during normal coping of one DNA into two to produce two daughter cells.
The third occurs when the enzymes (spell checkers) are not doing a good job of repairing a broken strand of DNA.
The fourth occurs when an outside "chemical" (cigarettes) called a mutagen, causes the mistake. This often produces cancer cells.
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What two types of chromosomal mutations?
Two are insertion mutations and deletion mutations.
What are the two types of mutations in gamete cells?
Deletion or Insertion
Is it true that only mutations in gametes can be passed from parent to offspring?
Gametic mutations occur in the cells of the gonads (which produce sperm and eggs) and may be inherited. There are two types of mutations that can occur in gamete cells: 1. Gene Mutations 2. Chromosomal Mutations
Is point mutation lethal?
No. Point mutations, or those resulting from a change in one or a few nucleotides at a single location in a DNA sequence. There are two types of point mutations: base substitutions and frameshift mutations. Not all mutations are in these coding sequences but if they are, then the result can be different or non-functioning proteins. They are considered to be neutral, beneficial or harmful. Two harmful point mutations are sickle cell anemia and polycystic kidney disease.
What are the two major types of cells?
prokaryotic and eukaryotic
What two types of chromosomal mutations?
Two are insertion mutations and deletion mutations.
What are the two types of mutations in gamete cells?
Deletion or Insertion
Name two major types of mutations What do they have in common How are they different Give an example of each?
Gene and chromosomal; both change DNA sequence that affects genetic information. Gene mutations involve a change in one ore several nucleotides in a single gene, whereas chromosomal mutations involve changes in the number or structure of whole chromosomes
Two causes of mutation?
Two types of mutations are Point Mutations and the other is Frameshift Mutations. Piont mutations include; deletions, insertions, and substitutions. These mutations casue a slight change in the amino acid usually resulting in a change in one amino acid. The second type, frameshift mutations involve many changes and almost always results in many changes in the codons.
Name two major types of mutations?
Frameshift mutations and Point mutations. The difference between the two are that point mutations occur at a single point in the DNA sequence and frameshift mutations shift the "reading frame" of the genetic message.
Is it true that only mutations in gametes can be passed from parent to offspring?
Gametic mutations occur in the cells of the gonads (which produce sperm and eggs) and may be inherited. There are two types of mutations that can occur in gamete cells: 1. Gene Mutations 2. Chromosomal Mutations
What are 3 types of mutation?
Three types of gene mutations are substitution, insertion, and deletion. Another gene mutation would be frame shift. All these mutations can cause deformities of the gene.
What determines the outcome of a mutation?
There are plenty of factors that can induce mutations. There are several harmful rays, such as X-rays and gamma rays, that can affect the DNA structure within gametes and that can cause mutations to occur. There are certain types of food that can also have the same affect. There are also genetic factors that can cause mutations. During Anaphase two where the DNA materials are splitting apart to form gametes, a process known as non-disjunction can occur where one of the gametes has an extra set of chromosome and the other has one or more less set of chromosomes.
What are the two major types of Christianity?
The two main types of Christianity is protestants and catholics.
Two major groups of animals?
Types of birds Types of primates
What are the two types of overhauling?
minor or major
Is point mutation lethal?
No. Point mutations, or those resulting from a change in one or a few nucleotides at a single location in a DNA sequence. There are two types of point mutations: base substitutions and frameshift mutations. Not all mutations are in these coding sequences but if they are, then the result can be different or non-functioning proteins. They are considered to be neutral, beneficial or harmful. Two harmful point mutations are sickle cell anemia and polycystic kidney disease.
