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In humans, males are XY and females are XX. Why are sex-linked characteristics more common in males than females?

The recessive allele is always expressed in males, whereas females need two recessive alleles (homozygous recessive). Females could have dominant and recessive alleles, which would mean they are carriers,...

Answered by Caitlin C. • Biology tutor

3081 Views

Compare the ways in which the speaker and writer create a sense of voice to describe their experiences.

TOP TIPS:
1) The key part of this question is 'create a sense of voice'. You must give at least three different voices which each ...

Answered by Millie R. • English tutor

9878 Views

By referring to at least two examples, analyse how both dialogue and stage directions reveal the extreme nature of Alec’s treatment of Isa.

"You say Peter Robb tae me again an I’ll kill ye! I wull! I’ll kill ye!." This sudden exclamation emphasises' Alec's sudden aggressive turn. Such a sharp turn from an uncomfortable but not yet v...

Answered by Kenny S. • English tutor

1609 Views

Solve algebraically the simultaneous equations, giving your answers in terms of b : 3x+by=5, x-y=-2

First, I would label the two equations 1 and 2:(1) 3x+by=5(2)x-y=-2Next, multiply (2) by 3 and subtract this equation from (1) in order to cancel out the x terms: 3x+by=5-(3x-3y=-6)This results in the equ...

Answered by Thomas L. • Maths tutor

3209 Views

A straight line goes through the point (7, 5) with a slope of 2. What is the equation of the line?

Th equation of a line is denoted as y = mx + c, with m as the slope and c as the y intercept. We already know that the slope is 2. Since the line passes through the point (7, 5)...

Answered by Caitlin C. • Maths tutor

5662 Views