Positive Ana Gene

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Definition

A gene is a short piece of DNA, which tells the body how to build a specific protein. There are approximately 30,000 genes in each cell of the human body. The combination of all genes makes up the blueprint for the human body and its functions.

A person's genetic makeup is called a genotype.


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Genes are located on strands of DNA, just like beads on a string. The DNA strands make up the chromosomes.

Chromosomes contain matching pairs of one copy of a specific gene. The gene...

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