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If that variation is selected on the basis of survivability and reproductive success then the populations gene pool allele frequency changes and the population becomes better adapted to the immediate environment, or adapted to a new and changing environment.
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Is increasing the genetic diversity beneficial?
Generally, yes. To have a wide variation in a population of organisms means that your population is better able to meat environmental challenges and survive through an onslaught of parasites, such as bacteria and viruses.
Why do benedicial adaptations spread in a population?
The populations which contain many different beneficial mutants, will be substantial variation in the fitness within the population.
What are two main sources for genetic variation in a population?
Mutation and the genetic recombination in sexually reproducing organisms.
Which statement best describes a population of organisms if cloning is the only method used to reproduce this population?
The answer is 2.) There would be little chance for variation within the population.
In order to use the Hardy-Weinberg equation to calculate genetic variation in a population what conditions must exist in the population?
All organisms must reproduce.
Is increasing the genetic diversity beneficial?
Generally, yes. To have a wide variation in a population of organisms means that your population is better able to meat environmental challenges and survive through an onslaught of parasites, such as bacteria and viruses.
Why is variation beneficial to a population that is undergoing change?
Yes, it is. If there is variation in a populations, and a sudden catastrophic event occurs, there is more of a chance that some of the individuals in the population will survive, and the population will not die out.
When is variation most important in evolution?
When the immediate environment changes and stress is put on organisms. Then those who have the variation that will become beneficial in this environment will be reproductively more successful.
Why do benedicial adaptations spread in a population?
The populations which contain many different beneficial mutants, will be substantial variation in the fitness within the population.
Can natural selection act on a population with no variation traits?
The trait is the same for all organisms.
Why is variation helpful to a populaion?
Because if there weren't any variation in a population, then there would be competition so more animals/ organisms would die.
How do variation occur in asexually reproducing organisms?
mutation of the DNA is the only way asexually reproducing organisms can obtain variations in their population
What are two main sources for genetic variation in a population?
Mutation and the genetic recombination in sexually reproducing organisms.
Nature will decide if a particular variation will be good or bad?
Natural selection determines if a specific variation increases or decreases an organism's fitness in their environment and shifts the population in favour of the beneficial variations.
Which statement best describes a population of organisms if cloning is the only method used to reproduce this population?
The answer is 2.) There would be little chance for variation within the population.
In order to use the Hardy-Weinberg equation to calculate genetic variation in a population what conditions must exist in the population?
All organisms must reproduce.
What conditions must exist in the population in order to use the hardy weinberg equation to calculate genetic variation in a population?
All organisms must reproduce.
