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The ABCs of DNA — SNPs

The ABCs of DNA — SNPs

  SNPs   There are two main ways that people are genetically different from each other. Either because they have a variation in the sequence of bases along their chromosomes or because they have a different number of copies of a gene. It is the former situation we’ll discuss here, where the SNPs vary. An SNP, pronounced snip, is shorthand for single nulceotide polymorphism. A nucleotide is a genetic base — Adenine (A), Guanine (G), Cytosine (C) or … Read entire article »

Filed under: The Basics

The ABCs of DNA — Part 1

The ABCs of DNA — Part 1

  DNA, short for deoxyribonucleic acid, is the blueprint for everything that makes you – you! Every living creature on Earth — and some quasi-living creatures such as viruses and prions – have a DNA blueprint telling it how and when to make which proteins. Proteins are complex polymers that constitute the basic building material of a living creature. Like a blueprint for a building, DNA uses a universal code to transmit its instructions to the … Read entire article »

Filed under: The Basics