Humans have 23 pairs of chromosomes and having too much or too little chromosomes or sections of chromosome can lead to disease. As mentioned in the introduction to karyotypes, size is one way to distinguish chromosomes but chromosome bands also help label the chromosomes. One pet peeve is the way that non-experts say the location […]

We will start talking about human genetics at the point of chromosomes.We need to know the basics of chromosome organization and identification to understand the mechanisms and tests for common chromosome disorders.