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30% of a population lacks the ability to taste the chemical PTC. Non-tasters are homozygouse recessive for this tasting gene. What percentage of the population are tasters and what percentage of the population are NOT heterozygous for this trait?

This question requires the knowledge of two equations from the Hardy-Weinberg Principle. p + q = 1 and p2 + 2pq + q2 = 1 where p = dominant allele, and q = recessive allele. Firstly ...

FH
Answered by Fergal H. Biology tutor
4980 Views

Differentiate y=ln(x)+5x^2, and give the equation of the tangent at the point x=1

First differentiate the equation, giving you, y'=(1/x)+10x. To get the gradient at this point of the curve, plug in x=1, to get a y' value of 11, and a y value of 5. From there you can plug these three nu...

HM
Answered by Harrison M. Maths tutor
3211 Views

'Conservative governments in the year 1951 to 1964 were successful in their imperial policy’. Assess the validity of this view.

Agree: Macmillan accepted the ‘Winds of Change’ 1960, recognised independence movements and carried out decolonisation 1957-1968 in an effective wayPolicy carried out with support of world leaders and pub...

YT
Answered by Yazmin T. History tutor
3201 Views

'He brings tragedy down on himself, not by opposing the lie, but by living it' By comparing Arthur Miller's 'Death of a Salesman' and James Joyce's 'A Portrait of the Artist as a Young Man', discuss.

Introduction to an A-Level Coursework Comparison Essay
James Joyce’s A Portrait of the Artist as a Young Man and Arthur Miller’s Death of a Salesman are two novels intrinsically con...

LC
Answered by Luke C. English tutor
1765 Views

How does Interpretation A differ from Interpretation B about Hitler’s appeal to the people of Germany? (4)

Interpretation A: Albert Speer, writing in his book, ‘Inside the Third Reich’ written in 1960. He remembers hearing Adolf Hitler speak in January 1931 at Berlin University. Albert Speer went on to...

EN
Answered by Emily N. History tutor
8206 Views

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