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Why is genetic diversity decreased when populations are split off from one another?

This question is all about genetic diversity and more specifically how difference in alleles is what creates diversity within a population of a species. (here I would ask about whether the student understand...
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Answered by Ben J. Biology tutor
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What is the effect of an indirect tax on the cigarette market?

Cigarettes are considered a demerit good since its consumption has a negative impact on the consumer. The product then results in an external cost as it becomes a cost for a third party as a result of an eco...
Answered by Economics tutor
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Describe how selective breeding could be used to improve the quality of milk produced by cows (4 marks)

Farmers could keep information on their cows such as the milk yield of a bull's mother and daughters in order to select ideal bulls as male parents. These bulls would then be allowed to mate with (unrelated)...
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Answered by Adam T. Biology tutor
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What are economies of scale?

Economies of scale are when increasing output leads to lower long-run average costs- meaning that when a business increases production, their average costs decrease There are several types of economy of scal...
Answered by Economics tutor
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What is the difference between primary and secondary effects of an earthquake?

Primary effects occur immediately, as a result of the earthquake itself. Example of primary effects include buildings and bridges collapsing and death and injury to people. Secondary effects can occur from h...
Answered by Geography tutor
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