The Navajo Indians are the largest federally recognized Native American Indian tribe in the United States. Their reservation is spread out through out the four corners of Arizona, New Mexico, Utah and Colorado. The Navajo use the name Dine because it refers to a term from the Navajo language that means people.
Males with Klinefelter's syndrome have two X chromosomes (47,XXY), in rare cases three (48,XXXY) or four (49,XXXXY) X-chromosomes. The X-chromosomes carry genes in terms of development of testicles, sex hormone production and physical sex development in general as well as to a certain extent also height growth.
What are the symptoms of Klinefelter syndrome? How is Klinefelter syndrome diagnosed? How is Klinefelter syndrome treated? NHGRI Clinical Research on Klinefelter Syndrome; Additional Resources for Klinefelter Syndrome; What is Klinefelter syndrome? Klinefelter syndrome is a condition that occurs in men as a result of an extra X chromosome. The most common symptom is infertility. Humans have 46 chromosomes, which contain all of a person's genes and DNA. Two of these chromosomes, the sex chromosomes, determine a person?s gender.