Sex linked is a trait in which a gene is located on a sex chromosome. Chapter Immune Microdeletions y-chromosome sex linked traits in. Fragile X syndrome is characterized by a wide range of developmental problems, including learning disabilities. Chapter Classical and Modern Genetics.
Discussion and conclusion The existence of a genetic component to human infertility has been suggested, although neither the specific abnormalities involved, nor their genetic mechanism of transmission, are completely defined.
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Please enter your institutional email to check if you have access to this content. Y chromosome microdeletions and alterations of spermatogenesis. The 47,XYY syndrome is relatively uncommon and can be missed clinically because of its variable clinical presentations.
Other genes on the Y chromosome are important for enabling men to father biological children male fertility. Correlation between Y chromosome microdeletion and male infertility. Views Read Edit View history. Y linkage is similar to, but different than X linkage; although, both are forms of sex linkage.
Corresponding author. Case report We present here four cases of infertile men with azoospermia or severe oligozoospermia attending a genetic and fertility clinic.