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# Single-gene inheritance

Mendelian patterns, pedigrees and the exceptions to the rules.

6 pages

- [**Mendelian inheritance: autosomal dominant, recessive and X-linked** When a disease depends on a single gene, it passes through families in predictable patterns that…](https://durgical.com/en/general-pathology/mendelian-inheritance-autosomal-dominant-recessive-and-x-linked/)
- [**Inheritance concepts, genotype–phenotype and the pedigree** The words geneticists use to link a genotype to what a person shows, and how a three-generation…](https://durgical.com/en/biochemistry/topics/inheritance-concepts-genotype-phenotype-and-the-pedigree/)
- [**How a single gene causes disease: enzymes, receptors and structural proteins** An altered gene makes a protein that is missing, works badly or gets in the way; the kind of…](https://durgical.com/en/general-pathology/how-a-single-gene-causes-disease-enzymes-receptors-and-structural-proteins/)
- [**Nonclassic inheritance: repeat expansions, mitochondrial genes, imprinting, mosaicism** Some genetic diseases break Mendel's rules: they worsen from one generation to the next, pass…](https://durgical.com/en/general-pathology/nonclassic-inheritance-repeat-expansions-mitochondrial-genes-imprinting-mosaicis/)
- [**Mitochondrial inheritance and mitochondrial DNA disease** Mitochondria carry their own small genome, passed only from the mother; how much faulty mtDNA a…](https://durgical.com/en/biochemistry/topics/mitochondrial-inheritance-and-mitochondrial-dna-disease/)
- [**Genomic imprinting: Prader–Willi and Angelman** Some genes work only when they come from the father and others only from the mother; losing the…](https://durgical.com/en/general-pathology/genomic-imprinting-prader-willi-and-angelman/)

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This section is an index: it gathers pages from Biochemistry, Pathology, Embryology and other sections without repeating them. Educational content; it does not replace a geneticist's assessment or genetic counselling.

Representative model, for educational purposes only.

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Source: https://durgical.com/en/genetics/inheritance/
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite as: DurgiPedia (durgical.com), https://durgical.com/en/genetics/inheritance/