Top answers

What’s the difference between characteristics caused by environmental and genetic factors?

A characteristic that is determined by genetic factors is a feature which is coded for in a person's genetics, inherited from their parents, as opposed to environmental factors which are caused by the condit...
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Answered by Adela B. • Biology tutor
10712 Views

Use of microorganisms is popular in medical research and industry. Give two reasons why microorganisms are commonly used.

cheap/inexpensive/low cost; grow/multiply/divide quickly; short life cycle; take up relatively little space; do not require high amounts of expertise to work with; genomes are understood well
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Answered by Kate D. • Biology tutor
2551 Views

A fault opens in a forest and separates a population of lizards in half. In 100 years the fault closes and the lizards can interact again. Explain why the lizards are no longer able to breed.

An answer deserving full marks would be a clearly written, long-form paragraph containing 4-5 of these points: The lizard populations cannot interact or share genes after the faultThe two sides of the fault ...
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Answered by Zach L. • Biology tutor
2564 Views

Name two features of a plant cell that are not found in animal cells

Chloroplasts, Vacuole filled with sap
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Answered by Ruby O. • Biology tutor
2723 Views

In which phase of the cell cycle does crossing over occur?

Crossing over is the process by which chromosomes are able to 'cross over' and exchange some of their genetic material during meiosis. The consequence of this is increase genetic diversity. Meiosis is the pr...
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Answered by Kamarl R. • Biology tutor
25413 Views