A string of nucleotides that has instructions for a certain trait is a gene. :)
The mutated gene codes for a protein that cause a new trait
A trait
DNA > Gene > Amino Acids > Protein > Specialized Cell > Trait
A trait is an inherited characteristic of an organism. One example is eye color. When a gene codes for the trait "brown eye color" we mean that the person has proteins in her eyes that are shaped to reflect the brown color. The reason she has those particular proteins is because she has the gene that is the instructions for those specific proteins. So: the gene is the instruction to make the protein that is the expression of the trait.
The term used to refer to an organism that has two indentical alleles for the particular trait is homozygous. A trait could be homozygous dominant (TT), homozygous recessive (tt), or homozygous for incomplete dominance (rr).
There is no particular relationship between organisms that have identical alleles for a particular trait.
DNA-Transcription-RNA-Translation-Protein-Trait
Organisms that have two identical alleles for a particular trait are said to be? homozygous
The mutated gene codes for a protein that cause a new trait
An organism that has genes that are alike for a particular trait is called homozygous for that trait. This means that it has two identical alleles for that specific gene.
When it comes that a particular trait being spread though a population, it is called reproduction.
Has one dominant and one recessive gene for that particular trait.
Mate 2 dogs that have the desired trait.
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A trait
Mate 2 dogs that have the desired trait.
DNA > Gene > Amino Acids > Protein > Specialized Cell > Trait