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Using mendelian genetics, explain how two brown eyed parents can have a blue eyed child. Which of the alleles is dominant? You may use a graph to support your explanation (Tip: Assume a simple dominance and inheritance )

Given that the brown eyed parents are able to produce blue eyed offspring, it is safe to assume that they are both heterozygots for eye colour and that the brown allele is dominant (A) over the blue allele (...
JT
Answered by Jeremy T. • Biology tutor
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How do you calculate ratios? Example question: 'White paint costs £2.80 per litre, Blue paint costs £3.50 per litre, White paint and blue paint are mixed in the ratio 3:2. Work out the cost of 18 litres of the mixture [4 marks]' AQA Mathematics (8300)

Firstly, we need to calculate how much of the mixed paint is going to be white paint and how much is going to be blue paint. We can do this by looking at the ratio 3:2, if we add up the numbers in the ratio ...
ZA
Answered by Zoe A. • Maths tutor
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What are the key points of Bowlby's theory of Monotropy?

John Bowlby's theory of monotropy stems from the idea that infants form one special, significant attachment with their primary caregiver and if we fail to form thi attachment, then we will suffer in later li...
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p^2 x p^2

p^7
TS
Answered by Tom S. • Maths tutor
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How can I present my argument effectively when writing an essay?

The first step in presenting an argument effectively is knowing what argument the question is supporting. From there, you can either agree, disagree or produce a more nuanced view if you are able to. You sho...
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Answered by Joe S. • History tutor
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