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Homologous bands on the long arms of the X and Y chromosomes ofAnopheles atroparvus

✍ Scribed by L. Tiepolo; M. Fraccaro; U. Laudani; G. Diaz

Publisher: Springer
Year: 1975
Tongue: English
Weight: 448 KB
Volume: 49
Category: Article
ISSN: 0009-5915
DOI: 10.1007/bf00285129

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✦ Synopsis

The long arms of the X and Y chromosomes of the mosquito Anopheles atroparvus (2n equals 6) are equal in length, synchronous in their late DNA replication and have homologous G AND Q bands. This indicates that differentiation of the two sex chromosomes was the consequence of a single deletion of an autosome to give the Y chromosome, not followed by the acquisition of differential heterochromatic blocks.

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