Top answers

All subjects
GCSE

In the case of cystic fibrosis, two parents don't suffer from the disease but both carry the recessive cystic fibrosis allele. What is the probability that a child of the parents will suffer from cystic fibrosis.

25%. Draw a punnet square to find this:

Write in the alleles for the parents along the top and side of the square, then match up the possible allele combinations for the children inside the square....

LD
Answered by Louis D. Biology tutor
4635 Views

What is the difference between evaporation and boiling?

Both evaporation and boiling are a process where a liquid change state into a gas.

Boiling happens to all of a liquid at once and occurs only when a liquid is heated to one specific temperature, it...

LD
Answered by Louis D. Physics tutor
47485 Views

Solve the simultaneous equations: (1) 4x + y = 7 and (2) x - 3y = 5

Start by multiplying equation (2) by 4 so both equations contain 4 lots of x: 4x - 12y = 20 Then take away equation 1 from equation 2 to eliminate x -13y = 13 divide by 13 and then reverse the negative si...

BK
Answered by Ben K. Maths tutor
4054 Views

What are the characteristics for perfect competition firms and when do they make profit?

The chracteristics of perfect competition are: many firms, freedom of entry and exit, all firms produce identical or homogenous products, all firms are price takers(have no influence over the price) and h...

DC
Answered by Diana C. Economics tutor
5374 Views

solve for x: (x-2)(x+3)=2(2x+11)

expand the brackets to get x2-2x+3x-6=4x+22 bring all the terms to one side x2-2x+3x-6-4x-22=0 (remember:if you do something to one side, do the same thing to the other! e.g. -4x on ...

JR
Answered by Jack R. Maths tutor
5577 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning