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Gametic selection affecting sex‐ratio in housefly(Musca domesticaL.)

 

作者: Clementina Rovati,   PierGiorgio Rubini,   Marialuisa Vecchi,   Gabriella Franco,  

 

期刊: Bolletino di zoologia  （Taylor Available online 1989）
卷期: Volume 56, issue 2  

页码: 111-118

 

ISSN:0373-4137

 

年代: 1989

 

DOI:10.1080/11250008909355631

 

出版商: Taylor & Francis Group

 

关键词: Musca domestica;Sex‐ratio;Sex‐determinants;Gametic selection;Crossing‐over suppressor

 

数据来源: Taylor

 

摘要:

An inheritable mechanism of sex‐ratio distortion, causing a conspicuous, variable and unpredictable excess of males, has been recently observed in a field population ofMusca domestica.The cause of this sex‐ratio distortion, named Non‐Mendelian‐Sex‐Ratio (NMSR), is always strictly associated with a male determinant on autosome 3 (MIII). NMRS causes a gametic selection, whereby the sperms carrying NMSR are advantaged during zygote formation. Therefore, the progeny consists mainly of males due to the association withMIII.

 

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