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What is the phenotype of a mutation?
The phenotype of a mutation refers to the observable physical or biochemical characteristics of an organism that result from the mutation. It can include traits such as altered appearance, behavior, or function compared to the wild-type or non-mutated organism.
What would a single change in the sequence of nitrogenous bases in a DNA molecule most likely result in?
A mutation
What type of mutation is likely to have the least effect on an organism?
A silent mutation, where a change in the DNA sequence does not result in a change to the amino acid sequence of the protein, is likely to have the least effect on an organism. This is because the protein produced is unaffected, and therefore the organism's functioning remains unchanged.
What is a A genetic mutation that does not result in a change in the amino acid sequence of the resulting protein is called?
a silent mutation.
How does a mutation in a gene affect the order of DNA based?
A mutation in a gene can happen by addition, deletion or substitution of base pairs. This means that the order of the bases will change- a new base may be added, a base may be lost, or one base may be substituted for another. The result of these mutations is that it causes the DNA to code for a different protein. If a mutation occurs in a sex cell, the mutation can be passed on to an offspring and affect the offspring's phenotype.
What cell mutation does not impact the phenotype of the organism because the protein remains unchanged?
It is possible for a point mutation to not change the sequence of amino acids in a protein. This will result in the protein being unchanged and will not affect the phenotype.
What is the phenotype of a mutation?
The phenotype of a mutation refers to the observable physical or biochemical characteristics of an organism that result from the mutation. It can include traits such as altered appearance, behavior, or function compared to the wild-type or non-mutated organism.
What can occur as a result of a change in the sequence of nucleotides in a strand of DNA?
The addition or deletion of a nucleotide can lead to a Frameshift mutation. The Frameshift mutation causes a "shift" in the reading frame of the codons in the mRNA. This may lead to the change in the amino acid sequence at protein translation.
What would a single change in the sequence of nitrogenous bases in a DNA molecule most likely result in?
A mutation
What is a example of a neutral mutation?
A neutral mutation would be something such as having one green eye and one blue eye. It doesn't hinder you and it doesn't give you an advantage.
Explain how mutations in gametes may result in phenotypic changes in offspring?
Mutations in gametes can lead to changes in the genetic code that can be passed on to the next generation. If these mutations occur within a gene that codes for a specific trait, such as eye color or height, it can result in a phenotypic change in the offspring. The new genetic information from the mutation can influence the development and expression of traits that may differ from the parents' traits.
What kinds of phenotype change are the result of evolution?
Changes that are genetic
Does a DNA mutation always result in a change to the protein?
No, a DNA mutation does not always result in a change to the protein. Some mutations are silent and do not affect the protein's function.
When when a mutation results in no significant change in the production of a of a functional protein?
When a mutation does not change the result of a normal production of a protein is called harmless. This is because it does no harm to the individual.
What organism is born with a genetic abnormality not present in any of its ancestors this abnormality is most likely the result of?
mutation
What type of mutation is likely to have the least effect on an organism?
A silent mutation, where a change in the DNA sequence does not result in a change to the amino acid sequence of the protein, is likely to have the least effect on an organism. This is because the protein produced is unaffected, and therefore the organism's functioning remains unchanged.
Which molecular events result in an irreversible change in genes?
Mutation
