Molecular Clock Concept in Phylogenies
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Molecular Clock Concept in Phylogenies

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Questions and Answers

How is the molecular clock concept used to construct phylogenies?

By calculating the time elapsed since species diverged from a common ancestor using known mutation rates

What is one application of evolutionary algorithms mentioned in the text?

Optimizing stock portfolios

Which step in running an evolutionary algorithm relates to natural selection?

Step 2 - Highest fitness individuals contribute the most to the next generation

What characteristic of mutations is crucial for the accurate use of the molecular clock concept?

<p>Constant rate over generations</p> Signup and view all the answers

In evolutionary algorithms, what happens during the process of selecting 'parents' for the next generation?

<p>The best few solutions are selected as parents</p> Signup and view all the answers

Why are evolutionary algorithms considered valuable in solving complex problems?

<p>Because they can handle problems with multiple variables that have countless combinations</p> Signup and view all the answers

What is a consequence of strong selection according to the text?

<p>Inhibition of a more optimal solution</p> Signup and view all the answers

Why is step 3 not what happens in nature according to the text?

<p>It has an end goal</p> Signup and view all the answers

How does reproductive isolation in nature relate to the development of new species?

<p>It promotes local adaptation</p> Signup and view all the answers

Why is the analogy between the evolution of languages and biological evolution considered accurate in the text?

<p>Languages share similarities with those they evolve from</p> Signup and view all the answers

What role does mutation and sexual recombination play in the evolutionary process according to the text?

<p>Generating new variation for selection to act on</p> Signup and view all the answers

"Evolution of different languages/dialects as an analogy for evolution of different species from a common ancestor" is stated as not completely holding up because:

<p>Languages are learned and not genetically hard-wired</p> Signup and view all the answers

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