Darwin

Genetic variation; characteristics vary between individuals Environmental change; condition changes causing more competition Natural Selection ; by chance genetic advantages make better coping mechanisms Inheritance ; those with advantage survive passing them to offspring who are better adapted Evolution; it may repeat

Evolution of humans,bats and dolphins to a common ancestor

No nucleus no unused sections of genes

No nucleus, unused sections of genes

Nucleus , unused sections of genes

Inserted with daffodil and bacterium gene to produce beta carotene which helps humans produce vitamin a to stop blindness

Yes

Alleles that may be useful in the future are no longer found Be bad for animals themselves May be bad for health in long term effects.

Cut section of DNA out using restriction enzymes producing jagged, unpaired ends called sticky ends Use restriction enzymes on bacterium plasmid which will produce same sticky ends DNA and plasmid are mixed together and the complementary base pairs join up through an enzyme called ligament which acts as a glue Insert into bacterium and grown in large VATS

Using organisms to control pests May eliminate target population May eliminate other populations May affect humans through

Cause excess in minerals that are harmful to organisms and humans