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…

Klinefelter syndrome – causes, symptoms, diagnosis, treatment, pathology

Klinefelter syndrome – causes, symptoms, diagnosis, treatment, pathology

Klinefelter syndrome, named after Dr. Harry Klinefelter who first identified it, is a chromosomal problem where a person with an xy genotype Biologically a male inherits at least one extra x chromosome and sometimes a few extra ones Having an extra x chromosome makes the testicular cells generate less testosterone Which is a hormone responsible…