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Article

Chromosome chains and platypus sex: kinky connections.

BioEssays : news and reviews in molecular, cellular and developmental biology - 1 Jul 2005

Ashley Terry

Abstract excerpt

Mammal sex determination depends on an XY chromosome system, a gene for testis development and a means of activating the X chromosome. The duckbill platypus challenges these dogmas.(1,2) Gutzner et al.(1) find no recognizable SRY sequence and question whether the mammalian X was even the original sex chromosome in the platypus. Instead they suggest that the original platypus sex chromosomes were derived from the...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Share to Dosage Compensation, Genetic

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Source

Identifiers

PMID: 15954092
DOI: 10.1002/bies.20265

Genes

SRY

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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