Is the Y chromosome of Drosophila an evolved supernumerary chromosome?

被引：59

作者：

Hackstein, JHP

Hochstenbach, R

HauschteckJungen, E

Beukeboom, LW

机构：

[1] UNIV ZURICH,DEPT ZOOL,CH-8057 ZURICH,SWITZERLAND

[2] MAX PLANCK INST VERHALTENSPHYSIOL,ARBEITSGRP MICHIELS,D-82319 SEEWIESEN,GERMANY

来源：

BIOESSAYS | 1996年 / 18卷 / 04期

关键词：

D O I：

10.1002/bies.950180410

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The Y chromosomes of most Drosophila species are necessary for male fertility but they are not involved in sex determination. They have many puzzling properties that resemble the effects caused by B chromosomes. Classical genetic and molecular studies reveal substantial affinities between Y and B chromosomes and suggest that the Y chromosomes of Drosophila are not degenerated homologues of the X chromosomes, but rather that their Y chromosomes evolved as specialized supernumeraries similar to classical B chromosomes.

引用

页码：317 / 323

页数：7

共 75 条

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