Amputated
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| Locus | am locus |
| Genetic symbol | am |
| Common name | Amputated |
| Inheritance | Autosomal recessive |
| Mutation type | Morphological |
| Description | Missing tips of toes. |
| History | Discovered in squabbing Kings, 1945. |
| Commonly found in breeds such as: | Very rare |
Amputated or amputated toes (symbol am) is a recessive morphological mutation located at the am locus.
Contents
Description
Homozygous (am//am) pigeons are missing the tips of some or all of their toes. Occasionally also wing tips are missing and a "hook beak" my be present. Heterozygotes (am//+) appear normal.
Inheritance
Amputated is an autosomal recessive mutation. This means that both parents need to carry the mutant gene for it to express in the next generation. As a recessive mutation, it is possible for this mutation to be carried by a bird who does not visually express it.
History
This mutation was first identified in squabbing King pigeons in 1945 and investigated by WF Hollander.
See also
Polydactyly - another mutation of the feet and toes.
