Genetics
- Created by: ukgamer321
- Created on: 26-04-14 09:43
View mindmap
- Genetics
- Variation
- Genetic variation
- eye colour
- natural hair colour
- height/weight
- blood group
- what we inherit from our parents
- Environmental variation
- height/weight
- ear piercing
- tatoos
- caused by our surroundings
- Genetic variation
- data
- continuous- characteristic that changes gradually over a range of values
- eg height
- eg weight
- eg foot length
- discontinuous- with only a limited number of possible values
- eg eye colour
- eg gender
- eg blood group
- graphs
- histograms- bars with no gaps in between.
- bar chart- bars have gaps in between
- continuous- characteristic that changes gradually over a range of values
- Twin studies
- help us learn how much variation is genetic and how much is due to the environment
- identical twins are genetically the same so any differences are due to the environment
- non identical twins are genetically different. similarities are due to the environment
- Keywords
- genes- short length of chromosome
- chromosome- carry genes and made up of DNA
- organism- something that''s alive, made up of cells
- allele- different version of the same gene (brown/blue eyes)
- nucleus- contains genetic material in the form of chromosomes
- Variation
Comments
No comments have yet been made