OCR 21st Century Science GCSE Biology B1

Revision summary for module B1 basedm on the GCSE revision book CGP along with answers

?
  • Created by: Ohhmy
  • Created on: 12-05-11 19:31
What is a gene?
A code for making certain proteins
1 of 12
Why are genes so important
The proteins that are made are the building blocks of cells and can cause us to end up with different characteristics
2 of 12
What are alleles?
Different versions of the same gene
3 of 12
Name the two types of sex cell
Sperm and egg cell
4 of 12
Why do children not look identical to their parents but similar?
Children get some of their alleles from each of their parents
5 of 12
What is heterozygous?
You have two different alleles of that particular gene
6 of 12
What does TDF stand for?
Testis Determining Factor
7 of 12
Is height determined by...
Both
8 of 12
What is a clone? (Definition)
Genetically Identical organisms
9 of 12
What are the symptoms of cystic fibrosis?
Body produces a lot of thick, sticky mucus in the air passages, gut and pancreas
10 of 12
What two diseases may be able to be treated using gene therapy in the future?
Treating cystic fibrosis and preventing Breast Cancer
11 of 12
Where is DNA found within a cell?
The nucleus
12 of 12

Other cards in this set

Card 2

Front

Why are genes so important

Back

The proteins that are made are the building blocks of cells and can cause us to end up with different characteristics

Card 3

Front

What are alleles?

Back

Preview of the front of card 3

Card 4

Front

Name the two types of sex cell

Back

Preview of the front of card 4

Card 5

Front

Why do children not look identical to their parents but similar?

Back

Preview of the front of card 5
View more cards

Comments

furuba fan

Report

A really helpful quiz, thanks! It will help me for my exam next week,

tina

Report

extremely helpful

DAVIDTENNANTILOVEYOU

Report

Very helpful...thank you

owen

Report

extremly helpful thanks I did it with my class and gave somedody the anwsers lol

Hugo

Report

Thanks very much! Useful to check my knowledge

Sophie

Report

Thanks this was really helpful 

Ann Grant

Report

Very useful! Aren't embryos screened during PGD, not IVF, to check if the embryo has any certain genetic disorders? You can have IVF without checking the genes. And isn't DNA found in genes on chromosomes in the nucleus of a cell? Still a really good quiz though! Very helpful.

Similar Biology resources:

See all Biology resources »