What are chromosomes?
Genetic structures that occur as functional pairs in the nucleus of cells
What is a gene?
A short section of DNA that codes for a particular characteristic
What is a genome?
The entire genetic material found in an organism
What is mitosis?
A type of cell division that produces cells genetically identical to the parent cell and to each other
What is meiosis?
A type of cell division that produces cells that have half the normal chromosome number
What is the structure of DNA?
Double helix structure.
It is composed of a sugar (deoxyribose) and phosphate, the phosphate is the backbone which is held together by 4 different bases
What are the 4 bases?
Adenine, thymine, guanine and cytosine
What is an allele?