what is the ultimate source of all variation? course hero

by Eryn Quitzon Published 2 years ago Updated 1 year ago 7 min read

Mutation is the ultimate source of genetic variation, but mechanisms such as sexual reproduction and genetic drift contribute to it as well.

What is the source of variation in a gene?

Oct 18, 2016 · The ultimate sources of variation, the source of new heritable characteristics in populations and species, is due to mutation and recombination of the genes.Mutations are changes in the DNA. The creation of genetic variation by recombination is a much faster process. 14) Darwin studied and wrote extensively about the mechanism known as ...

Why are there different types of variation in traits?

A ) natural selection. the ultimate source of all diversity is natural selection, the reason why being natural selection kind of works with all these other ones. Diversity occurs in variation when an individual selects for the needs of adaptation. 5) Mad cow disease is caused by A) an enveloped virus. B) infectious proteins called prions.

Why does variation occur in an organism?

Nov 16, 2018 · What is the ultimate source of all diversity? Question options: Natural selection Sexual recombination Meiosis Mutation In eukaryotic cells, repressor proteins inhibit transcription by binding to: Question options: silencers. enhancers. regulators. operators. How can bacteriophage DNA be spread from cell to cell without causing cell death?

How does variation lead to a change in fitness?

3 One wrinkle on this explanation 3 The ultimate source of variation here might be the relative prices of radios and televisions. There is a strong correlation between the ratio of the purchasing power exchange rate for consumption to the official exchange rate, and the probability that a household owns a radio (the correlation is 0.36). The logic is probably quite similar to the …

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