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Variation and Evolution Mindmap
Descripción
A mindmap about variation and evolution
Sin etiquetas
biology
variation
evolution
variation and evolution
biology
variation and evolution
gcse
Mapa Mental por
James Edwards22201
, actualizado hace más de 1 año
Más
Menos
Creado por
James Edwards22201
hace más de 9 años
396
6
0
Resumen del Recurso
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"
Recursos multimedia adjuntos
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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