M Akam

University Museum of Zoology

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Keywords

Evolution Genes, Homeobox Genetic Variation classification genetics

Summary Information

Proceedings of the National Academy of Sciences of the United States of America (1)

8,306,749

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Sources

Arthropods: developmental diversity within a (super) phylum.

(2000)

Journal - Proceedings of the National Academy of Sciences of the United States of America (UNITED STATES )

Abstract :

The expression patterns of developmental genes provide new markers that address the homology of body parts and provide clues as to how body plans have evolved. Such markers support the idea that insect wings evolved from limbs but refute the idea that insect and crustacean jaws are fundamentally different in structure. They also confirm that arthropod tagmosis reflects underlying patterns of Hox gene regulation but they do not yet resolve to what extent Hox expression domains may serve to define segment homologies.

ISSN :	0027-8424
Mesh Heading :	Animals Arthropods Body Patterning Fossils growth & development
Mesh Heading Relevant :	Evolution Genes, Homeobox Genetic Variation classification genetics