SEGREGATION ANALYSES AND GENE-CENTROMERE DISTANCES IN ZEBRAFISH | Zendy

George Streisinger | Zendy; Fred D. Singer | Zendy; Charline Walker | Zendy; Donna Knauber | Zendy; Nancy A. Dower | Zendy

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SEGREGATION ANALYSES AND GENE-CENTROMERE DISTANCES IN ZEBRAFISH

Author(s) -

George Streisinger,

Fred D. Singer,

Charline Walker,

Donna Knauber,

Nancy A. Dower

Publication year - 1986

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/112.2.311

Subject(s) - biology , zebrafish , centromere , genetics , meiosis , gene , chiasma , cell division , mitosis , chromosome , cell

The gol-1, gol-2, alb-1 and spa-1 mutations affect pigment pattern in the zebrafish. We show here that these loci are unlinked to each other. In addition, gene-centromere distances were determined for these loci by analysis of half-tetrads obtained by the inhibition of the second meiotic division. The fractions of tetratype (second-division segregation) tetrads range from 0.24 (spa-1) to 0.89 (gol-1). The observation of greater than 0.67 second-division segregation indicates that the zebrafish has high chiasma interference.

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