What do Charles Darwin, Michael Jordan, and Yoda have in common? They, like many other historical and fictive individuals, are bald. Scientists have long pondered, why do some people lose their hair, and how can we bring it back? Sarthak Sinha explores the basics of baldness.
When a cell divides to make new cells, the chromosomes normally stay the same. But sometimes mistakes happen. With Philadelphia positive leukemia, a gene called the ABL1 gene on chromosome 9 breaks off and sticks to a gene called the BCR gene on chromosome 22. It produces a new gene called BCR-ABL1 which causes the cell to make too much of a protein called tyrosine kinase. This protein encourages leukemia cells to grow and multiply.WATCH NOW