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What is the difference between Dominant and Recessive alleles?

Alleles are different forms of a gene. For exanple if the gene is eye colour, the alleles would be the different colours (green, blue, brown) For every gene that you have, you get two alleles, one from your ...
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Answered by Joseph N. • Biology tutor
21785 Views

What is cancer and what are the most common types?

Cancer: what is it? A cancer happens when cells begin to divide out of control. Benign tumours are growths of abnormal cells which are contained in one area, usually within a membrane. They do not invade oth...
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Answered by Appitha A. • Biology tutor
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Name and explain the different modes of inheritance.

Modes of Inheritance: - Autosomal dominant inheritance ; In this mode of inheritance you only need the abnormal gene (e.g. a dominant allele ) from one parent for you to inherit the disease. - Autosomal rece...
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Answered by Deborah I. • Biology tutor
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What does the nervous system consist of and explain the differences between the two.

There are two parts of the nervous system : Central Nervous system ( CNS ) and Peripheral Nervous system ( PNS ). - The CNS is made up of the brain and spinal cord. The CNS handles involuntary information. -...
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Answered by Deborah I. • Biology tutor
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What does the nervous system consist of and what does it do?

Your nervous system is divided into two parts: - The central nervous system (CNS) which is made up of the brain and the s pinal cord. - The peripheral nervous system is all the other nerve fibres that connec...
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Answered by Appitha A. • Biology tutor
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