Jacob’s syndrome 2
Anatomy and Physiology:
Jacob’s syndrome
Over the past 40 years people have been aware of Jacobs’s syndrome, a rare chromosomal genetic syndrome which occurs when a male receives an extra Y chromosome, resulting in a sequence in XYY. Males normally have XY and females normally have XX sequencing 1. Chromosomes store genetic information in all human beings. There are 23 pairs of chromosomes and 46 in total. On the 23rd pair holds the sex chromosomes which also store genetic information that determine ones sex 6. The first reported and documented case of Jacob’s syndrome was researched by Dr. Avery A. Sahaberg in 1961. The syndrome was found in a normal 44-year old man, 6 ft. [183 cm] tall man of average intelligence. Dr. Avery and his colleagues discovered the syndrome at Rosewell Park memorial in Buffalo, New York 4. Roughly ten years after the discovery of the syndrome screenings began in hospitals located in England, Canada, Denmark and US. XYY males......
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