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Biology II: Mouse, Zebrafish, and Chick
Zebrafish Embryo Collection and Preparation
Description
Zebrafish embryo collection and preparation are important steps in developmental biology research. Zebrafish, or Danio rerio, are a useful model organism because they are very fertile and can produce hundreds of offspring each week. Their embryos also develop quickly and are transparent, which makes early growth easy to obse...
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Transcript
斑马鱼虽小却是非常强大的模式动物。这种鱼能每星期产数百个后代，其整个生命周期中能产成千上万的后代。发育迅速和身体透明使得斑马鱼胚胎是很多应用的理想选择。本短片将显示基本的斑马鱼胚胎的收集和操作，然后会介绍当前运用斑马鱼胚胎的研究方法。
要想获得胚胎，需要先了解一下斑马鱼的交配行为。
斑马鱼是进行有性生殖的，所以繁育需要雄鱼和雌鱼。雄鱼的身体较细长，略带红色;雌鱼有着大大的银色的装满鱼卵的肚子。
周期性的交配可以让卵健康，但产生这些卵却要花很多功夫，所以每条雌鱼每周只应交配一次。
最后，像许多其他的动物一样，鱼类的交配行为也是由感觉过程介导的。来自雄鱼的...
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