Brown
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| Image coming soon | |
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| Locus | b locus |
| Genetic symbol | b |
| Common name | Brown |
| Inheritance | Sex-linked recessive |
| Mutation type | Basic colour |
Brown is an allele at the b locus. This mutation is sex-linked and recessive to wild type.
Contents
Description
Inheritance
Brown 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 b locus is ash red.
