X-Nico

3 unusual facts about Mendelian inheritance


Edible Frog

Hybridogenesis implies that gametes of hybrids don't contain mixed parental genomes, as normally occurs by independent chromosome segregation and crossover in meiosis (see also second Mendel's law, recombination), but intact one of them or two.

Non-Mendelian inheritance

Later research by Ruth Sager and others identified DNA present in chloroplasts as being responsible for the unusual inheritance pattern observed.

St Thomas's Abbey, Brno

His experiments brought forth two generalizations which later became known as Mendel's Laws of Inheritance.


Molecular drive

According to Gabriel A. Dover, TRAM is a genetic system that has features of Non-mendelian inheritance Turnover, copy number and functional Redundancy And Modulatory.


see also

Hugo de Vries

Finally, in a published lecture of 1903 (Befruchtung und Bastardierung, Veit, Leipzig), De Vries was also the first to suggest the occurrence of recombinations between homologous chromosomes, now known as chromosomal crossovers, within a year after chromosomes were implicated in Mendelian inheritance by Walter Sutton.

Trichorrhexis invaginata

The Netherton syndrome Mendelian Inheritance in Man is inherited as an autosomal recessive disorder due to mutations of both copies of the SPINK5 gene (localized to band 5q31-32), which encodes the serine protease inhibitor LEKTI (lymphoepithelial Kazal-type-related inhibitor).

Uniparental inheritance

Although his work was published, it lay dormant until it was rediscovered in 1900 by Hugo de Vries and Carl Correns but it was not until 1909 that non-mendelian inheritance was even suggested.