Posted in Biology

DNA and Chromosomes

Inside your cells, specifically the nucleus, contains all the genetic information, DNA, that makes us the way that we are. We get our DNA from out parents, half from mum and half from dad, and they are stored in tightly coiled bunches called chromosomes.

Humans have 23 pairs of chromosomes, 46 in total, 23 from each parent. The information on these chromosomes gives us our hair colour, eye colour, skin colour etc …

Cell Chromosomes DNA.jpg
Looking further into a cell

Nucleus – Contains the genetic information and controls the activity of the cell

Chromosome – Tightly coiled up DNA

Gene – A short section of DNA that can code for something like our hair colour

DNA – This is the special code the body uses to make you who you are