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I would think for the most part birds of a feather flock together. Beautiful people marry each other unless the man has lots of money. Under education people marry each other and produce lower children that will also get limited education.
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∙ 12y ago
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Does natural selection on single-gene trait cannot lead to changes in allele frequencies?
Natural selection on a single-gene trait can lead to changes in allele frequencies for the alleles of that gene.
How can natural selection lead to changes in the characteristics of a population even though individuals within the population do not themselves change?
Every individual within a population is different. Some differences are minor, some major, some noticable, others not. These differences are all caused by mutation: a deviation from the DNA blueprint of the population, because reproduction of cells in the feotus is not perfect. The individuals that have mutations beneficial to survival & reproduction & nurturing of proginy outlast all the others, over time, as those mutations are passed onto their young. This is natural selection, which changes the population.
What are steps of evolution?
1. Reproduction Information (DNA is used for life on Earth) is accurately replicated. 2. Variation Changes in parts of the information caused by mutation or recombination. 3. Selection Individuals with changes that give rise to increased reproductive success, will tend to have more offspring. This will spread that advantageous change through the population. Changes that reduce reproductive success will lead to less offspring and so are "weeded out" by selection.
What does natural selection over long periods of time lead to?
Natural selection over long periods of time leads to a fitter and more reproductively successful group of organisms thus becoming more common in a population. It will lead to evolution.
How does natural selection break h-w assumptions?
One big Hardy-Weinberg assumption is that there is no mutation taking place in the population of interest. Mutation and selection lead to evolution, which the Hardy-Weinberg assumption also does not allow in a population. So, if there is the variation brought about by mutation then there is a chance of natural selection happening and this violates Hardy-Weinberg assumptions.
What will natural selection eventually lead to in a population?
Changes in morphology and behaviour.Speciation.Extinction.
How does sexual reproduction lead to natural selection?
Because sexual reproduction produces new and unique combinations of maternal and paternal alleles in each offspring. That leads to a great diversity of individuals in the population. Natural selection can then act on the population to give some individuals greater fitness than others, leading to changes in the population over time. -love to help CR
What tends to result in a population whose individuals have extreme traits?
Natural selection can lead to extreme traits in a population if those traits provide a significant advantage in survival or reproduction. Genetic drift can also lead to extreme traits if there are random fluctuations in the frequency of alleles in a population. Additionally, sexual selection can drive the evolution of extreme traits if individuals with those traits are preferred as mates.
Does natural selection on single-gene trait cannot lead to changes in allele frequencies?
Natural selection on a single-gene trait can lead to changes in allele frequencies for the alleles of that gene.
Does sexual selection lead to violence?
Sexual selection, which is the process by which certain traits are favored for reproduction, can indeed lead to violence in some species. In some cases, competition over mates can result in aggressive behaviors such as fighting or intimidation. However, it is important to note that not all forms of sexual selection result in violence, and many species have alternative strategies for mate selection that do not involve aggression.
How can natural selection lead to changes in the characteristics of a population even though individuals within the population do not themselves change?
Every individual within a population is different. Some differences are minor, some major, some noticable, others not. These differences are all caused by mutation: a deviation from the DNA blueprint of the population, because reproduction of cells in the feotus is not perfect. The individuals that have mutations beneficial to survival & reproduction & nurturing of proginy outlast all the others, over time, as those mutations are passed onto their young. This is natural selection, which changes the population.
What are steps of evolution?
1. Reproduction Information (DNA is used for life on Earth) is accurately replicated. 2. Variation Changes in parts of the information caused by mutation or recombination. 3. Selection Individuals with changes that give rise to increased reproductive success, will tend to have more offspring. This will spread that advantageous change through the population. Changes that reduce reproductive success will lead to less offspring and so are "weeded out" by selection.
How did the changes in technological Zhou dynasty lead to a larger population?
The changes made more farmers come to grow more crops
What does natural selection over long periods of time lead to?
Natural selection over long periods of time leads to a fitter and more reproductively successful group of organisms thus becoming more common in a population. It will lead to evolution.
How do mutations lead to changes in human populations?
The study can help scientists understand ancient human population ...
What happens over time in a colonizing population?
In a colonizing population, genetic diversity tends to decrease as individuals interbreed with one another. This can lead to the loss of some genetic variation present in the original population. Over time, adaptations to the new environment may arise through natural selection, leading to the population becoming more suited to its new habitat.
What are the Theories of Charles Darwin?
Charles Darwin is known for his theory of evolution through natural selection, which suggests that species evolve over time through the process of adapting to their environment. He also proposed the theory of common descent, stating that all living organisms are related and share a common ancestor. Additionally, Darwin's theory of sexual selection explains how certain traits can be favored in mate selection and lead to evolutionary changes.
