DNA 1. Chromosomes are made up of DNA. 2. DNA is only found in specific parts of the body, most commonly the blood.

Gene 1. Genes are determines our characteristics. 2. Genes are founds vague, everywhere. 3. Genes are only found in specific organs or tissues (e.g. reproductive system). 4. Gens are made up of other biological material proteins/amino acids.

5. in uniform species, students believes all organisms in a species are essentially alike.

4. In lack of selection/natural selection as all or nothing, student believes natural selection no longer occurs in first world countries OR that selection only happens when organisms die.

3. In use and disuse category student believes traits that are used are retained and those that are not used are lost.

2. In Principle of inertia, student believes selection has always occurred and so will continue to occur