Inheritence key definitions

Dominant

This is the characteristic that is expressed in the homozygote and heterozygote

Recessive

This is the characteristic that is only expressed in the homozygote

What are chromosomes made from

dna which contains genes that code for specific proteins which determines an organisms characteristics

Definition of a gene

Section of dna on a chromosome, codes to make a specific protein that determines a characteristic

What 3 things make up a nucleotide

Base, sugar, phosphate

How would you describe the structure of DNA?

Double helix

Genes provide an instruction to make what?

Protein

Define allele

A different form of a gene

Genome definition

The complete set of DNA in an organism

Homozygous

A pair of chromosomes being made of two of the same alleles of a gene

Heterozygous

This word refers to a pair of chromosomes being made of two different alleles of a gene