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What else can I help you with?
Are new alleles made by natural selection?
No - natural selection does not create new alleles. Variation in alleles needs to exist in the population in order for natural selection to occur. Natural selection will involve the change in allele frequencies over time, but it does not create new alleles. New alleles are the result of mutations.
What two factors could influence the alleles in a gene pool?
Two key factors that can influence the alleles in a gene pool are mutation and natural selection. Mutations introduce new alleles into a population, creating genetic variation. Natural selection can affect allele frequencies by favoring traits that enhance survival and reproduction, leading to an increase or decrease in certain alleles over time. Additionally, gene flow and genetic drift can also impact allele distribution within a population.
Which is a process that eliments harmful alleles from a gene pool?
natural selection
Does a homozygous alleles help more than a heterozygous to the natural selection?
yes it does :))
Is horse breeding an example of natural selection?
Yes, and no. Natural selection usually refers to a situation wherein alleles or organisms compete against eachother without external guidance, under the influence of mindless environmental factors. In horse breeding, the principle is almost exactly the same, but the factors influencing the differential reproductive success of alleles include the intelligent decisions of humans.
What role do alleles play in natural selection?
Genes are the medium by which inherited traits are passed on to offspring. It is inherited traits, and thus genes, that receive positive or negative selection.
Is this true Natural selection cannot operate efficiently against rare recessive alleles?
True
How is sickle cell alleles maintained through natural selection?
Heterozygous induviduals pass the dominant and recessive alleles to offspring
How could an organism end up with those two different beneficial alleles through the process of natural selection and genetic recombination?
An organism can end up with two different beneficial alleles through natural selection and genetic recombination. Natural selection favors traits that increase an organism's chances of survival and reproduction, leading to the spread of beneficial alleles in a population. Genetic recombination, which occurs during sexual reproduction, can shuffle alleles from different parents, creating new combinations of alleles that may be beneficial. Over time, these processes can result in an organism having two different beneficial alleles that enhance its fitness.
Does natural selection require small population size?
No. Natural selection works in all populations. However, new alleles spread more slowly in large populations; the large size has a stabilizing effect. So one should expect large populations to change more slowly than smaller populations.
What are the different in sets of alleles between individuals in a population called?
The different sets of alleles between individuals in a population are referred to as the population's genetic diversity or genetic variation. This variation is crucial for evolution and adaptation, as it provides the raw material for natural selection. The specific combinations of alleles can influence traits and contribute to the overall fitness of individuals within the population.
What process can best be explained by alleles?
The process of inheritance is best explained by alleles, which are different versions of a gene that determine specific traits. During reproduction, alleles from both parents combine, resulting in offspring with a unique set of alleles that influence their characteristics. This genetic variation is fundamental to evolution and natural selection, as it allows for diverse traits within a population. Additionally, the interaction of dominant and recessive alleles can determine how traits are expressed in the offspring.
