The basic biological unit of inheritance. A gene consists of the segment of deoxyribonucleic acid (DNA) which usually makes a specific protein or component of a protein. Humans have about 20,000 genes. The genes are arranged in linear order on the chromosomes.
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We are always looking for new stories to add to this site, and are particularly keen to hear from more practitioners. Your colleagues can learn so much from how you’ve dealt with situations which involved genetics.