age-related macular degeneration (amd) is the leading cause of blindness in old subjects. it is a multifactorial disease with both environmental and genetic factors playing some role in its pathogenesis. similar to many other genetic diseases, the inheritance pattern of amd does not fit into simple mendelian rules. these diseases are caused by the presence of multiple genetic factors and are ca...

more often patients refer for genetic counseling, without definite diagnosis. mostly people and some doctor! have the impression the all muscular dystrophy affected by boys but is carried by girles. more often review of medical history of theses patients resolved this finding different clinical (neurologists), physiotherapist (ncv,emg) and pathologists diagnosis and also negative result molecul...

in the present study, to estimate genetic parameters and genetic and phenotypic trends in holstein dairy cows in the north of iran, the records from first lactation of 11398 collected from 1989 to 2006 were used. records were collected from 290 herds. productive traits were 305 day-2x adjusted milk and fat yield and reproductive traits were age at first calving, calving interval and dry days. g...