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A mutation occures in the liver cells of a certain field mouse. which statement concerning the spread of this mutation through the mouse population is correct?
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∙ 11y ago
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Is mutation a selective pressure?
Mutation is not a selective pressure, however, an organism with (certain) genes that are more likely to mutate are going to provide a higher variation within the gene pool which is advantageous. Organisms such as viruses have a high rate of mutation in certain genes (such as those which code for membrane surface proteins) which is advantageous but mutation can be disadvantageous and it is much more likely to be a problem than an advatage. Only beneficial mutations are selected for and so persist within the gene pool, mutation itself is more often disadvageous.
In a certain ecosystem owls are predators for mice. The owl population increases and they eat more mice. This causes the mouse population to decrease. What happens next?
the population of owls decreases
What is the definition of population growth curve?
A growth curve is a chart model showing the growth and evolution of an entity over time. A population growth curve charts the growth of a population over a certain amount of time.
How does interbreeding affect the alleles in a population?
It enhances the possibilty of certain alleles because there is less variety in the gene pool.
What might be an advantage of a single population of animals such as the Purple Gorilla having a very large amount of variability surrounding certain traits?
It increases the chance that some members of the population will survive under changing environmental conditions.
What is one or two nucleotides that are changed in a certain mutation?
If you are looking for the term of this mutation, then the answer is point mutation.
What kind of mutation is a tumor?
it is a mutation like PLX4032 it reverses the effects of a mutation found in certain tumors
Only one or two nucleotides are changed in a certain mutation this is an example of?
Only one or two nucleotides are changed in a certain mutation. This is an example of a(n)
Can a mutation be passed on to offspring?
Not usually. Only In certain circumstances, can a mutation be passed on to offspring; such as Downs-syndrome.
What is a gene mutation what is a chromosomal mutation?
a gene is passed on from generations and a chromosome is just found in certain cells
Does mutation depend on evolution?
The mutation theory is basically stating that mutation is one of the major factors that cause evolution. The mutation has to be a beneficial mutation, meaning that it has to help the survival of the organism that got the mutation. The mutation causes knew genes and diversity which can spread quickly throughout a population and eventually change the frequency of alleles (causes mutation) Remember the mutation has to be beneficial to the survival of the organism.
What is a difference between a gene mutation and a chromosomes mutation?
a gene is passed on from generations and a chromosome is just found in certain cells
Which types of mutation affects more genes a gene mutation or a chromosomal?
a gene is passed on from generations and a chromosome is just found in certain cells
A change in the genetic material of a cell is called?
Cancer- certain mutations (changes) in a cell's genetic material may cause that cell to reproduce with out control.
Natural selection cannot occur without what?
Variations within a population. Variations mean traits that only certain individuals have that give the individual a greater or lesser chance of reproducing.
What is an aspirate mutation?
An aspirate mutation is the alteration of the initial consonant of a word which occurs in certain Celtic languages under particular linguistic circumstances.
In a certain mutation some nucleotides come up missing This is an example of a?
Deletion
