Genetic Regulation of Sex Determination and Maintenance in Zebrafish (Danio Rerio)

Overview

Journal Curr Top Dev Biol

Publisher Elsevier

Specialties Biology
Reproductive Medicine

Date 2019 Apr 20

PMID 30999973

Citations 64

Authors

Michelle E Kossack

Bruce W Draper

Affiliations

Soon will be listed here.

Abstract

Over the last several decades zebrafish (Danio rerio) has become a major model organism for the study of vertebrate development and physiology. Given this, it may be surprising how little is known about the mechanism that zebrafish use to determine sex. While zebrafish are a gonochoristic species (having two sexes) that do not switch sex as adults, it was appreciated early on that sex ratios obtained from breeding lab domesticated lines were not typically a 1:1 ratio of male and female, suggesting that sex was not determined by a strict chromosomal mechanism. Here we will review the recent progress toward defining the genetic mechanism for sex determination in both wild and domesticated zebrafish.

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