7 Answered Questions for the topic population genetics

Population Genetics Genetics

03/03/20

Gene frequencies of populations Not in Hardy-Weinberg equilibrium
Hardy-Weinberg equilibrium assumes p^2+2pq+q^2 of a single gene, generation after generation ie. gene frequencies DO NOT change over time. If this was true in nature populations would never... more
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Population Genetics Genetics Dna

06/22/19

How can someone share 50% of their DNA with their parents yet all humans share 99.9%?
I have heard that humans share 99.9% of their DNA with other humans. I have also heard that a child shares 50% of their DNA with their parents. How do I resolve this apparent contradiction? It has... more
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Population Genetics Genetics Evolution

06/16/19

Why is the strength of genetic drift inversely proportional to the population size?
I saw a concept on the Internet that says "the strength of genetic drift is inversely proportional to the population size". I don't know why they are **inversely proportional**? Can somebody... more
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Population Genetics Genetics Homework Hardy Weinberg

05/29/19

Hardy Weinberg principle?
The principle is that sum total of all allelic frequencies is 1.Individual frequencies for example can be named p,q.In a diploid cell , p and q represent the frequency of allele A and a... more
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Population Genetics Genetics Evolution Book Recommendation

05/22/19

Books on population or evolutionary genetics?
I have recently been involved in collaborations that require me to model the population genetics of eukaryotic populations. I fear I may either be "re-inventing the wheel" or making conceptual... more
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Population Genetics Ecology Evolution Population Biology

05/13/19

Is it mostly true that predators or parasites traverse wider spatial areas than their prey or hosts?
Does it tend to be true that as you go up the food chain, the species tend to cover wider areas? I am basically asking whether a population's prey varies spatially more than a population's... more
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Population Genetics Genetics Evolution Mutations

04/01/19

Are mutations a source of genetic variation?
Here is a question from the book *SAT II Success Biology E/M* (where the SAT is the exam taken by the American high school students): > Which of the following statements is true about... more
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