0
How are neutral mutations useful for estimating how long two species have been evolving independently?
Wiki User
∙ 7y agoWant this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Do neutral mutations affect biodiversity?
Type your answer here... no, neutral mutations do not affect biodiversity as they are a simple change which does not affect the organism in any way
Can mutations be beneficial?
They can certainly be either. When researching it closely scientists have found a lot of mutations which don't seem to have any influence. "Bad" mutations tends not to be functional, and often disappear pretty much by themselves one way or another.
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.
Why aren't all mutations bad?
Mutations are unnatural changes in the body or behavior. They are not always bad. For instance, the skin of the poison tree frog is not really bad at all. It rubs itself on poison leaves and mutated itself not to be affected.
How do rates of mutation power molecular clocks?
The number of neutral mutations distinguishing two species enables measurement of the length of time since the species diverged from a common ancestor.
Do neutral mutations affect biodiversity?
Type your answer here... no, neutral mutations do not affect biodiversity as they are a simple change which does not affect the organism in any way
Why are only neutral mutations useful for molecular clocks?
Only neutral mutations are useful for molecular clocks because they accumulate in the DNA of different species at the same rate, while other mutations do not.
Which mutations are NOT subject to natural selection - lethal physiological neutral or morphological?
Neutral mutations confer no benefits or handicaps and are therefore not affected by natural selection.
How do lethal mutations and neutral mutations differ?
Lethal mutations cause such a radical change that the organism cannot live with it and dies. A neutral mutation is a simple change that does not affect the organism in any way, such as a new eye colour.
Mutations that neither harm nor help an organism are called?
They're called silent mutations.
What is the significance of mutations to living things?
Many, if not most, mutations are neutral, meaning that they have little or no effect on the expression of genes or the function of the proteins for which they code.
What will occur to the genes over generations of offspring that can be beneficial harmful or neutral?
Mutations
What will occur to the genes over generations of off-spring that can beneficial harmful or neutral?
Mutations
Why all mutation are not necessarily harmful?
Mutations are changes in DNA. Most are neutral or beneficial. Mutations have allowed animals to adapt to new environments and new species to evolve.
Can mutations be beneficial?
They can certainly be either. When researching it closely scientists have found a lot of mutations which don't seem to have any influence. "Bad" mutations tends not to be functional, and often disappear pretty much by themselves one way or another.
How does a mutation change the form of an orgamism?
Some mutations are neutral because an amino acid can be more than one anti-codon. However, mutations that do cause change can be good, bad, or neutral depending on how it changes its' form. I don't want to go over all of them!
What effects can mutations have on organisms?
Many. Depending on the organism, mutations can cause things like four leaves on a clover, to polydactily or sicle cell anemia. The effects can be good, bad or neutral.
