background: amelogenesis imperfecta (ai) is an inherited tooth disorder. despite the fact that up to now, several gene muta­tions in mmp20, enam, amelx and klk4 genes have been reported to be associated with ai, many other genes sug­gested to be involved. the main objective of this study was to find the mutations in three major candidate genes including mmp20, enam and klk4 responsible for ai f...

In exploring the emotional climate of long-term marriages, this study used an observational coding system to identify specific emotional behaviors expressed by middle-aged and older spouses during discussions of a marital problem. One hundred and fifty-six couples differing in age and marital satisfaction were studied. Emotional behaviors expressed by couples differed as a function of age, gend...

Meckel Gruber syndrome is an uncommon, lethal, autosomal recessive disorder, associated consistently with polycystic kidneys, posterior encephalocoele and polydactly. We report three cases in non-consanguineous marriages, suggesting that the single gene defect occurs more commonly in non-consanguineous marriages than mutant genes associated with other autosomal recessive disorders that are usua...

Consanguineous marriages have a high prevalence among Muslim-majority countries, and the ratio is increasing in Saudi population [1]. Nowadays, more than half of all the marriages in Saudi Arabia are marriages between cousins [2]. Different types of consanguineous marriages exist, such as marriage between first cousins, which is the most common one, marriage between second cousins, and marriage...

Caste and religion are integral components of Indian society since the time immemorial. These two systems create water tight compartment between communities and bring division, hatred and tension among various social groups. Marriages within the same caste and same religion is the norm of the Indian society. To think of marriages between different castes and different religions is a difficult a...

Consanguineous marriages have a high prevalence among Muslim-majority countries, and the ratio is increasing in Saudi population [1]. Nowadays, more than half of all the marriages in Saudi Arabia are marriages between cousins [2]. Different types of consanguineous marriages exist, such as marriage between first cousins, which is the most common one, marriage between second cousins, and marriage...

Sir,?Major YVoolley's excellent article on Convict marriages in the Andamans in your March number does not appear to have aroused the comment?favourable or the reverse?which I anticipated and which it deserved. It is, however, of great interest to all those who have at heart the improvement of the criminal in the present and his disappearance in the future. As lie says, it is rather a shock to ...