Definitions for "Mendelian inheritance"
the mode of inheritance of nulear genes, in contrast to "non-Mendelian" or "extra-nuclear" inheritance that is controlled by cytoplasmic heredity determinants. [Source: Agricultural Genome Information System, USDA
the inheritance of genes or characteristics according to Mendel's laws.
This refers to the inheritance of single genes and follows specific patterns: autosomal dominant, autosomal recessive and X linked inheritance (see Genetics Fact Sheets 6 - 8: Mendelian Patterns of Inheritance).