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The genotypes of 2 guinea pigs, for 2 traits are represented as AABB and aabb. The guinea pigs are mated and the offspring eventually mate with eachother. Of the second generation, what genotypes would be phenotypically different from the originals?

To work through the question, we need to remember that there are 2 traits or characteristics we are looking at for the guinea pigs - A/a and B/b. We need to work out the different ways the alleles can pair f...
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Answered by Rosie G. • Biology tutor
5972 Views

How does a tsunami form and why do their waves increase in size as they approach the shore?

This question is initially asking for the understanding tsunami formation process. It would be useful to provide a brief definition of a tsunami, so the examiner knows you have a clear idea of what a tsunami...
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Answered by Alice S. • Geography tutor
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I am producing work of a very high quality, but this is not reflected in my grades. Why?

It is very common for A-level Art students who produce work which displays outstanding quality and technical skill to feel that their abilities are not reflected by their grades. This problem arises when stu...
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Answered by Reuben M. • Art tutor
2586 Views

Where does integration by parts come from?

The best way to do well in maths, is to learn where things come from. Mastering the basics makes everything else much easier! To start, consider the product rule with two functions u(x) and v(x) (using dashe...
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Answered by Tom M. • Maths tutor
3723 Views

Identify which 2 of the following processes involve an exothermic change: melting, boiling, freezing, deposition and sublimation

An exothermic reaction involves an output of heat, so heat is lost overall. This would mean that boiling and melting are definitely not exothermic as they involving putting in heat. Freezing is an exothermic...
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Answered by Ellen S. • Chemistry tutor
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