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Reproduction produces variation in population gene pools. Every time organisms reproduce, be this sexually or asexually, the genome of the offspring is slightly offset compared to that of its parent(s). Additional factors in this may be mutagenic influences in the environment, such as radiation.
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What is a major cause of variation within species?
Variation of a species can come about in many ways, but mutation is the major cause of variation in a species.
Does sexual reproduction cause a narrow range or variation or a wide range of variation in species?
SIM=
How do the Grants data show that genetic variation is important in the survival of a species?
The Grants' work shows that variation within a species increases the likelihood of the species' adapting to and surviving environmental change.
Does variation within the same species exist?
Of course, variation exists within individuals of the same species. This is because there are a small minority of genes which have multiple alleles in most species. In cases where a subset of the population is isolated from the rest of the population, a subspecies may develop which has particular unique characteristics but can still interbreed with the rest of the species.
Naturally occurring methods of recombining DNA within a species to increase variation include all BUT?
dna cloning
What is a major cause of variation within species?
Variation of a species can come about in many ways, but mutation is the major cause of variation in a species.
What are specific examples of variation within a species?
Human species, as in the variation in height.
Explain why there is more variation between a species than within a species?
Within a species, the animals breed together so that the similar characteristics are passed from parents to their offspring. This is why there is less variation within a species than between a species.
Which process produces the most variation within a species?
Variations occurs in species due to the process of "Crossing over"
What is the major cause of variation within species?
sexual reproduction is the major cause of variations within a specie
What term describes changes that within species?
variation
Does sexual reproduction cause a narrow range of variation or a wide range of variation in species?
SIM=
Does sexual reproduction cause a narrow range or variation or a wide range of variation in species?
SIM=
What causes variation within a species?
It has adaptations
Variation exists within the genes of every population or species as the result of what?
Variation exists within the genes of every population or species as the result of natural selection. The other reason is due to neutrality of mutations.
What did Charles Darwin say about variation within species?
Because there is variation within a species, it is therefore possible for the law of natural selection to operate, by selecting those variations which best enhance survival and reproduction.
How do the Grants data show that genetic variation is important in the survival of a species?
The Grants' work shows that variation within a species increases the likelihood of the species' adapting to and surviving environmental change.
