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7 Albinism is a genetic trait resulting from the inheritance of recessive alleles. (a) (i) Distinguish between the terms allele and gene. (ii) Explain the meaning of the term recessive allele.

a i) a gene is a section of DNA that codes for a protein and has a specific location on a chromosome while an ellel is just a different form of a gene ii) a recessive allele is one that is expressed in the p...
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Answered by Elysa I. • Biology tutor
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1. The curve C has equation y = 3x^4 – 8x^3 – 3 (a) Find (i) d d y x (ii) d d 2 y x 2 (3) (b) Verify that C has a stationary point when x = 2 (2) (c) Determine the nature of this stationary point, giving a reason for your answer.

To differentiate use formula. multiply factor by power then minus one from power (where x is invloved) dy/dx = 12x^3 - 24x^2 d^2y/dx^2 = 36x^2 - 48x (this is just a further differentiation) b) to find statio...
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Answered by Elysa I. • Maths tutor
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‘Childhood is a time of freedom and happiness, children should retain their innocence into adulthood’ To what extent do you agree with this in regards to Blake’s representation of childhood?

Throughout Songs of Innocence and Experience, Blake makes his opinions known that childhood innocence should be retained through to adulthood. Evidence for this lies especially in his ‘Introduction’ to Innoc...
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What is the difference between mutually exclusive and indepedent events?

Let's say that we have two events and we'll call them event A and event B. If these events were mutually exclusive then these events would not be able to occur at the same time. For example, if Real Madrid a...
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Answered by Callum S. • Maths tutor
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Explain Hume's distinction between matters of fact and relations of ideas (5)

David Hume, an empiricist, separated knowledge into categories - "matters of fact" and "relations of ideas". Hume argues that every affirmation which is certain, such as geometry, arithme...
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Answered by Amy E. • Philosophy tutor
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