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2535060
Variation and Evolution Mindmap
Description
A mindmap about variation and evolution
No tags specified
biology
variation
evolution
variation and evolution
biology
variation and evolution
gcse
Mind Map by
James Edwards22201
, updated more than 1 year ago
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Created by
James Edwards22201
over 9 years ago
394
6
0
Resource summary
Variation and Evolution Mindmap
Variation
Continuous
Hight
Weight
Bell Shaped Curve
Discontinuous
Blood Group
A
B
AB
O
Bar Chart
Individual Groups
Reproduction
Sexual Reproduction
Single Cell Produced
New set of chromosomes
Offspring Genetically different
Two Parents
Asexual Reproduction
One Parent
"Clones"
Identical Chromosones
Mutations
New genes
Occur at random
Ionising radiation
Increases chance of mutation
Gene Therapy
Cystic Fibrosis
Inherited disease
Thick Mucus
Block Bronchioles
recessive allele
Can be shown using family trees
Inserting normal gene into affected tissue
Difficulties
Gene must be expressed
(Switched ON)
Targeting appropriate cells
NOT A CURE
Potential to be effective treatment
Natural Selection
Charles Darwin
Variation in species
Best characteristics are most likely to survive
Genes are then passed on to next generation
Over time the genes that gave an advantage become most common in a species
Evolution
Warfarin
Overuse
Mutation made rats resistant
Rat poison
1960
Bacteria
Mutation
Resistant to cleaning fluids and antibiotics
"Super Bugs"
Media attachments
cd2339ee-fdb8-42af-94e0-64a7d3963318.gif (image/gif)
b5a93dfd-f891-4f0d-9631-bfed3242067f.gif (image/gif)
2e48f7dd-e69c-4be3-83bb-677da1791a1f (image/jpeg)
134de79b-0a39-4a9a-9937-265886a96c66 (image/jpg)
ab89d839-faf5-40b9-88ab-5147a2f3a45e (image/jpg)
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