Article
[Study of 315 pedigrees with idiopathic mental retardation by segregation analysis].
Zhonghua shen jing jing shen ke za zhi = Chinese journal of neurology and psychiatry - 1 Jun 1992
Hu Y
Abstract excerpt
315 pedigrees with idiopathic mental retardation (MR) have been studied by complex segregation analysis. The results show that there is no major gene effect in the mild MR, but in the medium and severe MR there are major gene effect. The pattern of inheritance of the medium MR may be codominant a...
Topics
- Adolescent
- Child
- Child, Preschool
- Data Interpretation, Statistical
- Gene Frequency
- Humans
- Infant
- Intellectual Disability
- Phenotype