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XYY Syndrome, Jacob Syndrome
XYY Syndrome, better known as the Jacob Syndrome is a rare genetic disorder which affects males due to an extra Y chromosome. Healthy males have 46 chromosomes including one X and one Y chromosome. Men with XYY syndrome have 47 chromosomes, two of which are Y chromosomes. It is not known why the extra Y chromosome occurs. The disorder is present at birth and is estimated to occur in one out of every one thousand live births (1). In very rare instances, the syndrome has been passed from father to son, but in most cases heredity cannot be established.
XYY syndrome is a chromosomal condition which occurs only in males and is found with a frequency of 1 in 1,000. A chromosome is a rod-like structure present in the nucleus of all body cells, with the exception of the red blood cells. Chromosomes store genetic information. Normally humans have 23 pairs of chromosomes, 46 chromosomes in total. The 23rd pair, otherwise referred to as the sex chromosomes,......
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Title: Xyy Syndrome, Jacob Syndrome
Approximate Word Count: 1191
Approximate Pages: 5 (250 words per double-spaced page)
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Xyy Syndrome, Jacob Syndrome
XYY Syndrome, Jacob Syndrome. XYY Syndrome, Jacob Syndrome XYY Syndrome, better
known as the Jacob Syndrome is a rare genetic disorder ... ... -
Jacobs Syndrome
... after these screenings were put to action they were stopped due to self-fulfilling
prophesies 8. Another name for Jacob’s syndrome is the 47, XYY syndrome. ... ... -
Jacob's Syndrom
... s Syndrome Jacob’s Syndrome is a rare chromosomal genetic syndrome where the male
has an extra Y male chromosome and ends up having 47 chromosomes with XYY ... ... -
Sex Chromosomes
... Men who receive an X from their mother and a double Y from their fathers have
an XYY combination and have a condition called Jacob's syndrome. ... ... -
Human Genetic Disorders
... menopause • Mostly have no sexual abnormalities but are generally of subnormal mental
abilities 5. Jacob syndrome or Double Y syndrome, XYY • Occurs in 1 ... ...
