AQA GCSE Biology. Topic 6 – Inheritance, variation and evolution

I have gone through the specification and these are the bits the examiners want you to know with links to my YouTube videos and other websites to help you understand any bits that are confusing. 

 

Whole topic summary video

Quick fire questions for this topic

 

To get all the quick-fire questions, Knowledge checklists, key words, equations and units sheets and 200 pages of FREE awesomeness head to my website and download your revision guide https://www.primrosekitten.com/collections/all Amazon will kindly print it off for you or you can treat yourself to the extended version,  with another 100 pages of science questions. 

  

AQA Standard Revision Guide - Paperback (190 pages) http://amzn.to/2kw8DGb 

AQA Extended Revision Guide - Paperback (291 pages) http://amzn.to/2g1OdTN

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Required Practicals 


AQA Biology

1 –  Cell biology

2 –  Organisation

3 –  Infection and response

4 –  Bioenergetics

5 –  Homeostasis and response

6 –  Inheritance, variation and evolution

Specification statement

 

These are the bits the exam board wants you to know, make sure you can do all of these…

Bits to help if you don’t understand

Primrose Kitten

Other places

I can describe the differences in the end result of mitosis and meiosis

https://youtu.be/pi6sbTc4wBo

TuitionKit http://bit.ly/2f2e2PA

I can recall the names of the male and female gametes in plants and animals

 

 

I can describe the process of meiosis

https://youtu.be/pi6sbTc4wBo

TuitionKit http://bit.ly/2f2e2PA

I can describe the process of asexual reproduction

 

 

I can describe the advantages and disadvantages of sexual and asexual reproduction

Biology only

 

TuitionKit http://bit.ly/2f21ojx

I can describe the structure of DNA

https://youtu.be/erZB_EhuKbA

 

I can describe the structure of a chromosome

 

 

I can define the term gene

 

 

I can define the term genome

 

 

I can describe the structure of DNA including the nucleotide, sugar and phosphate groups

Biology only

https://youtu.be/erZB_EhuKbA

 

I can recall the different bases in DNA

Biology only

 

I can describe how different sequences of DNA code for amino acids

Biology only

 

 

I can describe the process of protein synthesis        

Biology only

Higher tier only

 

 

I can describe how variations in DNA can affect the protein being made

Biology only

Higher tier only

 

 

I can recall that the bases C and G match up and the bases A and T match up

Biology only

Higher tier only

 

 

I can describe the process of protein synthesis

Biology only

Higher tier only

 

 

I can describe the process of protein folding

Biology only

Higher tier only

 

 

I can describe the effect a mutation can have on a protein

Biology only

Higher tier only

 

 

I can describe the effect a mutation can have on an enzyme

Biology only

Higher tier only

 

 

I can explain non-coding DNA

Biology only

Higher tier only

 

 

I can define the term gamete

 

 

I can define the term chromosome

 

 

I can define the term gene

 

 

I can define the term allele

 

 

I can define the term dominant

 

 

I can define the term recessive

 

 

I can define the term homozygous

 

 

I can define the term heterozygous

 

 

I can define the term genotype

 

 

I can define the term phenotype

 

 

I can explain how characteristic can be controlled by genes

 

 

I can predict the results of a genetic cross by completing a Punnett square diagram

 

 

I can describe the phenotype and genotype of a person with polydactyly

 

 

I can describe the phenotype and genotype of a person with cystic fibrosis

 

 

I can make an informed judgement about embryo screening

 

 

I can recall the number of pairs of chromosomes in a human body cell

 

 

I can recall that sex is determine by the X and Y chromosomes

 

 

I can describe how phenotype can be influenced by genes and the environment

 

 

I can recall that difference in a population in variation

 

 

I can describe the factors that affect variation within a population

 

 

I can recall that mutations continuously occur

 

 

I can define evolution

 

TuitionKit http://bit.ly/2h90Clx

I can describe the theory of evolution

 

 

I can explain natural selection

 

 

I can explain speciation

 

 

I can describe the impact of selective breading

 

 

I can define the term genetic engineering

 

 

I can describe the use of genetic engineering in plants

 

 

I can describe the use of genetically engineered bacteria to produce insulin.

 

 

I can evaluate the advantages and disadvantages of genetic engineering in agriculture

 

 

I can describe the process of producing a genetically modified crop

 

 

I can explain the potential for genetic modification to treat inherited disorders

 

 

I can explain the process of producing a genetically modified crop

Higher tier only

 

 

I can describe the process of cloning via cuttings

Biology only

 

 

I can describe the process of cloning via tissue culture

Biology only

 

 

I can describe the process of cloning via embryo transplant

Biology only

 

 

I can describe the process of cloning via adult cell cloning

Biology only

 

 

I can explain how Darwin came to propose the theory of evolution

Biology only

 

 

I can explain the theory of evolution

Biology only

 

 

 

TuitionKit http://bit.ly/2h90Clx

I can discuss the controversy around Darwin’s ideas when they were published

Biology only

 

 

I can discuss other theories of evolution, such as Lamarck’s ideas

Biology only

 

 

I can define the term speciation

Biology only

 

 

I can describe Wallace’s theory of evolution

Biology only

 

 

I can describe the steps that lead to a new species

Biology only

 

 

I can describe the work that Mendel did

Biology only

 

 

I can explain the evidence for evolution

 

 

I can describe how fossils arise

 

TuitionKit http://bit.ly/2xb1tLU

I can explain why not all organism leave fossils

 

 

I can describe what fossils teach us

 

 

I can use an evolutionary tree

https://youtu.be/rTHVPh1kO5o

https://phet.colorado.edu/en/simulation/natural-selection

I can define the term extinction

 

 

I can describe the factors that lead to an extinction

 

 

I can explain why bacteria can evolve quickly

 

 

I can describe why antibiotic resistance could arise

 

 

I can describe the effect of MRSA (and other antibiotic resistance strains of bacteria) have on humans

 

 

I can describe why the development of new antibiotics is slow

 

 

I can describe the system of classification that Linnaeus developed

 

Total Learn http://bit.ly/2zJwh5D

I can determine an organism’s genus and species from a tree

 

 

I can describe how developments in biology can impact on classification

 

 

I can describe the ‘three domain system’ of archaea, bacteria and eukaryote

 

 

7 –  Ecology

 

 

AQA Chemistry

1 – Atomic Structure and the Periodic Table

2 – Bonding, Structure and the Properties of Matter

3 – Quantitative Chemistry

4 – Chemical Changes

5 – Energy Changes

6 – The Rate and Extent of Chemical Change

7 – Organic Chemistry

8 – Chemical Analysis

9 – Chemistry of the Atmosphere

10 – Using Resources

 

 

AQA Physics

1 –  Energy

2 –  Electricity

3 –  Particle Model of Matter

4 –  Atomic Structure

5 –  Forces

6 –  Waves

7 –  Magnetism and Electromagnets

8 –  Space Physics