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What must occur for a population to diverge?
For a population to diverge, there must be factors that lead to genetic isolation or reproductive isolation between different groups within the population. This can be due to geographic barriers, different selective pressures, or mutations that create differences in traits. Over time, these isolated groups accumulate genetic and phenotypic differences, leading to divergence.
What must be true for hardy equilibrium to occur?
mating must happen randomly
In order for evolution to occur in a population individuals with a trait that is naturally selected for must?
Individuals with the beneficial trait must survive and reproduce at a higher rate than those without the trait. This differential reproductive success leads to an increase in the frequency of the advantageous trait in the population over time, allowing for evolution to occur.
What mechanisms must be in place in order for evolution to occur?
For evolution to occur, there must be genetic variation within a population, inheritability of these genetic traits from one generation to the next, differential survival and reproduction based on these traits (natural selection), and long periods of time for changes to accumulate across generations.
Which must be in place within a population in order for the theory of evolution to hold true?
In order for the theory of evolution to hold true within a population, there must be genetic variation among individuals, a mechanism for inheritance of traits from parents to offspring, and differential survival and reproduction based on these inherited traits. These conditions allow for natural selection to occur, driving the process of evolution within a population over time.
What must occur for a population to diverge?
For a population to diverge, there must be factors that lead to genetic isolation or reproductive isolation between different groups within the population. This can be due to geographic barriers, different selective pressures, or mutations that create differences in traits. Over time, these isolated groups accumulate genetic and phenotypic differences, leading to divergence.
What must be true for hardy equilibrium to occur?
mating must happen randomly
Why must a population have a genetic variation in order for natural selection to occur?
Without variation there is nothing to select from.
How are speciation and reproductive isolation related?
For speciation to occur, one population must diverge genetically from another. Divergence is very difficult if the two populations exchange genes readily between them. A short rule of thumb to remember is:Populations which exchange genes are more alike genetically than those that don't.This means, in order to diverge genetically from one another, there must be some barriers, or reproductive isolation, to gene flow between them. When there are these barrier to gene flow, each population can accumulate different mutations and combinations of alleles independently of the other, thus diverging genetically.
What must happen for specification to occur?
A population must be isolated in some way
In order for conduct to occur two objects must occur?
Two objects must be touching and it has to transfer heat
What must occur for a gene pool within a population to change?
A genetic mutation within the population.
In order for evolution to occur in a population individuals with a trait that is naturally selected for must?
Individuals with the beneficial trait must survive and reproduce at a higher rate than those without the trait. This differential reproductive success leads to an increase in the frequency of the advantageous trait in the population over time, allowing for evolution to occur.
What are the conditions a population must meet in order to have genetic equilibrium?
1. No net mutations occur; that is, the alleles remain the same 2. Individuals neither enter nor leave the population 3. The population is large (ideally, infinitely large) 4. Individuals mate randomly 5. Selection does not occur
In order for evolution by natural selection to occur what has to happen?
There must be genetic variation, the variation must be heritable, and there must be differential reproduction (due to competition).
What must be true for equilibrium to occur?
No disruptive circumstances must be present in random mating in a population for Hardy-Weinberg equilibrium to occur. Mating must happen randomly. No allele can give an advantage
What mechanisms must be in place in order for evolution to occur?
For evolution to occur, there must be genetic variation within a population, inheritability of these genetic traits from one generation to the next, differential survival and reproduction based on these traits (natural selection), and long periods of time for changes to accumulate across generations.
