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Why do molecule clocks use mutations that have no effect on phenotype?
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Do mutations always cause pheynotypic changes?
No, because of the redundancy in the genetic code (several base triplets or codons code for the same amino acid) a point mutation, for instance, (a change in one base) may have no effect on the amino acid sequence in the protein, and so no effect on the expressed phenotype.
How does codominance effect phenotype?
both alleles are expressed in the offsping
What is the most likely effect of an error during DNA translation?
The most likely effect of an error during DNA translation is a mutation. Some mutations are beneficial, some are deadly and some are what is called "nonsense" mutations. Nonsense mutations have no benefits nor do they have any "bad" consequences.
What effect can mutations have on viruses?
i think that most of the mutated genes have more then one thing wrong with them
What is a phenotype-?
A phenotype is the physical trait or feature of an organism that is the effect of a particular genotype. Flower color of snapdragons is one example of a phenotype, and the color is determined by which alleles comprise the genotype. Plants that are homozygous for the flower color alleles are either white or red. Heterozygous snapdragons are pink.
What is the conclusion of mutagenic effect of vodka on the phenotype of fruit fly?
some mutations include the change in eye color of the drosophila melanogaster
Which mutation is the most dangerous?
There is no definite answer to this question many types of mutations can cause death and I'd say that's the most dangerous effect of a mutation. Large Scale mutations, like deletions or amplifications, usually cause the most damage because they effect whole chromosomes. Small Scale mutations are usually less dangerous because they only effect one gene. The worst small scale mutations are insertions and deletions because they change the reading frame. In my personal opinion, harmful mutations that occur in the tumor suppressor genes are the most dangerous because they are what prevent the mutations in cell from being duplicated and without them working a mutated cell can replicate uncontrollably.
Why are some mutation not harmful?
Some mutations can be deadly, harmful, or have no effect. Correct, not all mutations are harmful. Some mutations could even have a positive effect and help the creature adapt.
Do mutations always cause pheynotypic changes?
No, because of the redundancy in the genetic code (several base triplets or codons code for the same amino acid) a point mutation, for instance, (a change in one base) may have no effect on the amino acid sequence in the protein, and so no effect on the expressed phenotype.
Why do mutations that occur in the skin or nervous system tend to have little effect on the evolution of a species?
Most mutations that occur have a neutral effect, or none at all, so they would not affect evolution. Organisms with mutations that cause detrimental impact typically will not survive; therefore, they will not reproduce, and the mutation will not be passed on, so the species will not be affected overall. Beneficial mutations are typically the only mutations that will affect an organism's posterity and the evolution of its species, but good mutations are very rare. This is why most mutations have little effect on the evolution of a species.
How does codominance effect phenotype?
both alleles are expressed in the offsping
What effect can mutations on a virus?
They create genetic variations.
Do all mutations affect the protein results?
No. Point mutations may have no effect on the protein, however, they can also be very harmful.
Mutations that occur in skin or lung cells have little effect on the evolution of a species because mutations in these cells?
cannot be passed on to offspring
How mutations might affect the traits of an animal?
it could alter the way the animal moves and how the body works
What are the phenotype effect of tay - sachs disease?
red spot on the retina of the eye
What is the most likely effect of an error during DNA translation?
The most likely effect of an error during DNA translation is a mutation. Some mutations are beneficial, some are deadly and some are what is called "nonsense" mutations. Nonsense mutations have no benefits nor do they have any "bad" consequences.
