CYTOGENETICS OF PROCECIDOCHARES .1. MITOTIC AND POLYTENE CHROMOSOMES OF PAMAKANI FLY, P-UTILIS STONE (TEPHRITIDAE-DIPTERA)

被引：8

作者：

BUSH, GL

TAYLOR, SC

机构：

[1] The University of Texas, Austin, TX

[2] Vancouver 9, BC

来源：

CARYOLOGIA | 1969年 / 22卷 / 04期

关键词：

D O I：

10.1080/00087114.1969.10796350

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The female karyotype of P. utilis (2 n=12) consists of 5 pairs of metacentric and submetacentric autosomes, and metacentric X and submetacentric Y sex chromosomes. A detailed map of the 5 polytene chromosomes visible in the salivary gland is presented. The missing 6th polytene probably represents the sex chromosomes which appear to be largely heterochromatic at mitosis. A single short inversion has also been observed in the unpaired region of the 4th chromosome. All polytene chromosomes of the salivary gland have regions in which the homologues do not pair. Heterozygous puffing behavior of the bands is frequently observed within these regions. It is suggested that these unpaired portions, if present in meiotic chromosomes, may affect the frequency of crossing over. © 1969 Taylor & Francis Group, LLC.

引用

页码：311 / &

共 19 条

[1] BIOLOGICAL-CONTROL OF PAMAKANI, EUPATORIUM-ADENOPHORUM, IN HAWAII BY A TEPHRITID GALL FLY, PROCECIDOCHARES-UTILIS .2. POPULATION STUDIES OF THE WEED, THE FLY, AND THE PARASITES OF THE FLY [J].