Welcome to the Homepage of the

MUTAVI

Research & Advice Group

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Attention!! These pages were recently expanded with the Genetics Psittacine Reference Pages ,an article about pigmentary disorders and some articles were revised!

Contents

Aims and Purposes

Research project Z-Chromosome (Budgerigar) NEW !

Genetics Psittacine Reference Pages NEW ! Agapornis research project!

Albinism in Canaries

Links to other pages of interest

Articles

A new mutation in the Budgerigar

New hypothesis in relation to the appearance of the sex-linked clearbody

Genetics of the crest character in Budgerigars

Crossing over in the Sex-chromosome

Article about the phenomenon of crossing over

Dark Eyed Clears

Explanation of the origin of dark eyed clear Budgerigars ( REVISED VERSION !)

Phenotypic effects and genetics of the dilute locus ( REVISED VERSION !)

History of the Dutch pied

Review article about the cause of French Moult in Budgerigars

Article about the difference between gynandromorphs and halfsiders

Review article including uncommon mating results

The answer; is it a variety or a trait

Pigmentary Disorders in Budgerigars

A Light- and Electronmicroscopical investigation ( IMPROVED VERSION !)

Review article about slate, a rare sex-linked character

Article about silky, a rare dominant trait

Sex-chromosomes in Birds and Mammals

Remarkable differences and similarities

The Myth of the Tyndall Effect

Putting outdated ideas about this subject behind us

Brief Communications

Short notes that might be interesting

Nomenclature for Budgerigars

Genetic Symbols

Explanation of symbols

Revised List of Mutant Genes in Budgerigars

Last updated April 23 / 2007 by Inte Onsman