Chromosome 21 – How accidental inheritance can lead to Downs syndrome

Chromosome 21 – How accidental inheritance can lead to Downs syndrome

Our genetic information, our DNA, is conveniently packaged into little bundles called chromosomes. Humans have 23 pairs of them, 46 altogether. They contain the instructions that the body uses to build itself, the recipe for a human, if you will. Accidentally duplicating copies of the DNA instructions can cause problems later on. That’s what happens…