bio

Key words:

DNA -Carry the genetic code that determins the characteristic of a living organism

Gene- A section of DNA that codes for a specific protein

Chromosomes- The structure made of DNA that codes for all characteristics of an organism 

Long threads of DNA, each made up of genes

Allele- Different versions of the same gene

Dominant( allele)- expressed  Reciessive (allele)- only expressed if the individual has two copies of it and does not have the dominant allele of that gene

Diploid - A cell that contains two sets of chromosomes (In mammals, body cells are diploid)

Haploid- A sex cell (gamete)that contains one set of chromosomes (Human gametes are haploid