Dictionary » N » Non-Mendelian inheritance

Non-Mendelian inheritance



A type of inheritance wherein the patterns of phenotypes do not accord with those as expected in Mendelian laws on inheritance.


Non-Mendelian inheritance includes extranuclear inheritance, gene conversion, infectious heredity, genomic imprinting, mosaicism, and trinucleotide repeat disorders.


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Re: need help with some home work

... the A gene from the father and thus is phenotypically recessive as it only expresses the a gene! It is possible and defects in this system of inheritance can result in disorders such as the Angelman syndrome or Prader–Willi syndrome.

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by Youngji
Sun Feb 01, 2015 1:14 pm
Forum: Genetics
Topic: need help with some home work
Replies: 2
Views: 916

I have got some BIG issues! forgive the long post

... last step of the synthesis, while the protein coded by the O allele is non-functional; therefore, the acceptor substrate, (H antigen) remains without ... in the region of Bombay, India. The Bombay group (Oh) results from the inheritance of two rare recessive h genes which occur at a locus other ...

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by saddy51
Sun Jan 04, 2015 10:39 am
Forum: Genetics
Topic: I have got some BIG issues! forgive the long post
Replies: 1
Views: 1754

Question about hair color and tallness inheritance

Hello there! So i dont know much about genetics yet, but im very open minded about it. The situation is my father has dark brown hair and he had a wife back then and they made two children but they divorced. Both of the children have ginger hair. My mother has very dark brown hair and my sister has ...

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by hitom
Thu Aug 07, 2014 9:58 pm
Forum: Genetics
Topic: Question about hair color and tallness inheritance
Replies: 0
Views: 1929

Genetics Pedigree Help Required

Based on the information in the pedigree of Family B, is inheritance of this hearing loss trait consistent with an autosomal dominant or autosomal recessive pattern? (Tip: assume autosomal dominant and assign genotypes of affected and unaffected individuals, ...

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by TheBell
Fri Mar 21, 2014 8:49 pm
Forum: Genetics
Topic: Genetics Pedigree Help Required
Replies: 0
Views: 3930

Re: Genes in the same linkage group are inherited together?

The map distance tells you how closely linked the genes are. The shorter the map distance, the higher the probability of co-inheritance and the more tightly linked the genes are ("tightly linked" and "close map distance" are pretty much synonymous). "the closer ...

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by jonmoulton
Wed Jul 17, 2013 2:51 pm
Forum: Genetics
Topic: Genes in the same linkage group are inherited together?
Replies: 5
Views: 5118
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