Rubella

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Rubella
Rubella bar.
Rubella bar racing homer.
Locus r locus
Genetic symbol rru
Common name Rubella
Inheritance Sex-linked recessive
Mutation type Colour modifier

Rubella is an allele at the r locus. This mutation is recessive to wild type.


Description

Inheritance

Rubella is a sex-linked recessive mutation. This means that both parents need to carry the mutant gene for it to express in a cock the next generation, but only the father needs to carry it for the gene to express in a hen. As a sex-linked recessive mutation, it is possible for this mutation to be carried by cock bird who does not visually express it, but any hen who carries the gene will show it.

Alleles

Apart from wild type, the other allele at the r locus is reduced.


History