Top answers

Biology
GCSE

Tom and Lesley are married and have a child, Sally, who has Cystic Fibrosis. Lesley has just found out she is pregnant, so what is the probability that the baby will have the condition?

Cystic Fibrosis is a recessive disease, therefore for Sally to have the condition she must have a homozygous recessive genotype, with one recessive allele of the gene from the mother and one from the fath...

LD
Answered by Lillie D. Biology tutor
2411 Views

If x = 3, what is the value of 2x^2

As we are told that the value of x is equal to 3, we are able to substitute this into our equation, so it becomes: 2(3)^2. We then use the rules of BIDMAS, so we must square the number 3 first (meaning we...

SR
Answered by Satveer R. Biology tutor
44479 Views

Which food chain has the highest proportion of energy transfer. Grass -> cow -> human. Grass -> grasshopper -> rat -> snake. Rice -> human

Rice -> human. due to it having the fewest trofic levels (stages in the food chain) with each trofic level energy is lost through heat and movement as well as energy lost due to unabsorbtion in the dig...

RM
Answered by Ryan M. Biology tutor
3633 Views

How does respiration occur in living cells?

Glucose is broken down using oxygen. This releases energy from the bonds of glucose. The products are carbon dioxide and water.

NV
Answered by Nastia V. Biology tutor
5788 Views

What is asexual reproduction and what are its features?

Asexual reproduction is where an organism produces offspring which is genetically identical to itself, without fertilisation happening

The main identifying feature of asexual reproduction is that t...

SW
Answered by Sam W. Biology tutor
13383 Views

We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences