DNA And Inheritance

Question 1

Chromosomes

Answer 1

Long coiled up lengths of a molecule called DNA

Question 2

DNA

Answer 2

A long list of chemical instructions on how to build an organism

Double helix shaped

Question 3

Gene

Answer 3

A short section of a chromosome (and so a short section of DNA)

Control many of our characteristics

Work in pairs- one is usually dominant over the other