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What do stabilization selection and disruptive selection have in common?
They both decrease genetic variation. Stabilizing selection and disruptive selection reduce genetic variation
What do stabilizing selection and disruptive selection have in common apex?
They both decrease genetic variation
What is essnetial to evolution?
Genetic and morphological variation. Without variation in organisms there would only be the shifts of genetic drift and gene flow in organisms. When organusms are varied then one can be selected from the other by the environment and the organisms ability to reproduce against that environment. Then there is evolution.
Why is low genetic variation a problem?
Low Genetic variationis the raw material of evolution. Without genetic variation, a population cannot evolve in response to changing environmental variables and, as a result, may face an increased risk of extinction.
What is the ultimate source of genetic variation and the bases for the diversity of life on earth?
mutation
What is heritable variation?
Heritable variation is the variation in characteristics caused by genetic factors.
What do stabilization selection and disruptive selection have in common?
They both decrease genetic variation. Stabilizing selection and disruptive selection reduce genetic variation
How does meiosis aid in evolution?
contributes to genetic variation.
What can the variation become?
The variation can either increase or decrease depending with the genetic factors.
Mutations are a source of what in a species?
Genetic variation, which can lead to evoloution, and then potentially a new species.
What would most likely decrease the genetic variations in the human population?
Which would most likely decrease the genetic variation in the human population?
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.
What is the mechanism of evolution?
The main driving mechanism of evolution is natural selection. Though genetic drigt and gene flow can also cause evolution.
The mechanism by which evolution occurs is called?
AnswerNatural selection is the mechanism put forward by Darwin as one of the two essential mechanisms for evolution, the other being random mutation (which Darwin described as inheritable variation, not knowing about genes at the time).The modern evolutionary synthesis includes genetic mutations as the mechanism which provides variations upon which natural selection can act.
How genetic variation and environmental factors affect evolution by natural selection?
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How does genetic variation and environmental factors affect evolution by natural selection?
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What do stabilizing selection directional selection have in common?
They both decrease genetic variation .
