Aberrant meiotic behavior of chromosomes due to reciprocal translocation in the EDs mutant of the silkworm, Bombyx mori

Kosaku Sakaida, Yutaka Banno, Takashi Nakamura, Yutaka Kawaguchi, Katsumi Koga, Hiroshi Doira

研究成果: Contribution to journalArticle

4 引用 (Scopus)

抜粋

One of the homeotic mutants of Bombyx mori, named EDs, has been assumed on the basis of genetical studies to have attachment or translocation between the 6th and the 7th chromosomal linkage groups. This mutant has been kept in the cross EDs/ + : +/q × +/+ : q/q. The present cytogenetical observation revealed that the EDs + males segregating in this cross had 27 or 28 chromosomes at metaphase I. The individuals with 27 chromosomes were divided into two types. (1) with a ring-shaped assemblage apparently consisting of four chromosomes, and (2) with a chain-shaped one again apparently consisting of four chromosomes. Also the individuals with 28 chromosomes were divided into two types; (1) with apparently normal configuration as to whole chromosomes, and (2) with a chain-shaped assemblage and a ball-like chromosome, the former apparently consisting of three chromosomes. At metaphase II of the EDs+males there were five types of chromosomal constitution, n = 26, 27, 28, 29, and 30, indicating that numerical meiotic non-disjunction had occurred. We concluded that EDs involves a chromosomal aberration due to a reciprocal translocation between the 6th and the 7th chromosomal linkage groups.

元の言語英語
ページ(範囲)25-29
ページ数5
ジャーナルHereditas
125
発行部数1
DOI
出版物ステータス出版済み - 1996

All Science Journal Classification (ASJC) codes

  • Genetics

フィンガープリント Aberrant meiotic behavior of chromosomes due to reciprocal translocation in the E<sup>Ds</sup> mutant of the silkworm, Bombyx mori' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

  • これを引用