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How can you work out the chance of a child getting a genetic disease from a family tree?

This is really more of a puzzle than biology. You work this out the same way, no matter how big the tree is. First you need to figure out if the chromosome of the disorder is autosomal or sex-linked. If it m...
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How is a sperm cell adapted to it's role?

The role of the sperm cell is to fertilise the egg. It is adapted to fulfill this role in four main ways. Firstly it has a tail to help it travel to the egg. Secondly it contains the nucleus in the head that...
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Answered by Rhys O. • Biology tutor
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What is the difference between a eukaryotic cell and a prokaryotic cell?

Eukaryotic cells include plant and animal cells. They have a cell membrane, cytoplasm and their genetic DNA is encased in a nucleus. Prokaryotic cells (bacteria) are much smaller in comparison. They have cyt...
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Answered by Isabel C. • Biology tutor
3654 Views

Why can't you use antibiotics to treat any kind of disease, like malaria?

Antibiotics are a big group of drugs. They all work differently, but what they all have in common is that they specifically target a certain part of bacteria. So by definition, antibiotics can only be used o...
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7933 Views

How and why are bacteria used in industry?

Bacteria are used in industry to produce enzymes and other proteins. Because they are prokaryotes and don't have a nucleus, every DNA plasmid that is taken up is translated. You just have to insert the plasm...
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Answered by Niclas W. • Biology tutor
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