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A change in the genetic material that produces variation in a species may be the result of?
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∙ 13y ago
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Mutations are a source of what in a species?
Genetic variation, which can lead to evoloution, and then potentially a new species.
Which procedure can not be used to increase genetic variation?
If a population dwindles, there is low genetic variation and a species may risk extinction.
Produced when genetic material from two species are mixed?
Hybrid
What causes genetic variation in a species?
genetic variation happens because of meiosis. chromosomes are randomly in each sperm/egg cell, and so when they come together it's unlikely to get the same combination twice
During meiosis crossing-over gene exchange between chromosomes may occur Crossing-over usually results in?
The result of crossing over is genetic diversity. More specifically, it is a hybrid chromosome with a unique pattern of genetic material. Does this answer help?
Mutations are a source of what in a species?
Genetic variation, which can lead to evoloution, and then potentially a new species.
How does genetic variation prevent extinction of a species?
The genetic variation enable a particular species to withstand the adversities of Nature by way of selection on the basis of the principle of survival of the fittest.
How genetic variation is measured?
Gentic variation is mearsured by the number of species in the given area not.
Which procedure can not be used to increase genetic variation?
If a population dwindles, there is low genetic variation and a species may risk extinction.
Which process produces the most variation within a species?
Variations occurs in species due to the process of "Crossing over"
Why is sexual reproduction preferable to a species?
It promotes genetic variation.
What do stabilization selection and disruptive selection have in common?
They both decrease genetic variation. Stabilizing selection and disruptive selection reduce genetic variation
What would decrease genetic variation in a population?
When there is low genetic variation in a population the species produced are unlikely to withstand diseases.
How does variation in a species help the species survive?
As each new generation is produced, genetic variation may be introduced into a population. The more genetic variation in a population, the more likely it is that some individuals might have traits that will be advantageous if the environment changes.
Which process is a cause of variation in a species?
Sexual Reproduction Genetic mutation
What does meiosis do for species?
Meosis creates gametes (reproductive cells) and allows genetic variation of the species
How does genetic combination help a species to survive?
It causes diversity and variation amongst a population
