objective: microdeletions of the y chromosome long arm are the most common molecular genetic causes of severe infertility in men. they affect three regions including azoospermia factors (azfa, azfb and azfc), which contain various genes involved in spermatogenesis. the aim of the present study was to reveal the patterns of y chromosome microdeletions in iranian infertile men referred to royan i...

the tribe sophoreae sensu polhill [9,10] is a large and diverse assemblage comprising the ancient and primitive ancestral stocks of papilionoideae. the most frequent chromosome basic numbers in this tribe are x = 11 and x = 9 but chromosome numbers range from x = 8-14 are also known. in this study chromosome numbers and karyotype variation of iranian members of tribe sophoreae are reported. ira...