Chembio Level 1 Genetic Variation

Where is DNA found?

In the nucleus of the Cell

Allele

Different versions of a gene that have a different base sequence

Where does my DNA come from?

Inherited material from parents.

Allele cause what?

Cause the variations in the phenotype

What is structure of DNA

Double Helix

What does DNA comprise of?

Phosphate group, sugar, nitrogenous base.

What are the nitrogenous bases

ATGC Ademine-Thymine Guanine-Ctyosine

Adenine

Thymine

Thymine

Adenine

Guamin

Cytosine

Cytosine

Guanine

Gene

Section of DNA that codes for a protein/feature/characteristic

Genotype

Combination of two Alleles coding for a trait