Mol Reprod Dev 2011 Aug 01;788:553-64. doi: 10.1002/mrd.21360.

Laboratory on sea urchin fertilization.

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Since about 1880, the eggs and sperm of sea urchins have been used for the study of fertilization, the metabolic activation of development and gene regulatory mechanisms governing embryogenesis. Sea urchin gametes are a favorite material for observations of the process of fertilization in advanced high school, community college, and university biology laboratory courses. This article is a laboratory handout, designed for the student to follow in learning about fertilization. In addition to observations of sperm-egg interaction, simple experiments are described that demonstrate some mechanisms involved in the process. The hope is that by making simple observations of fertilization, the student will gain an appreciation for the fact that successive generations of higher organisms are bridged by the fusion of egg and sperm, two very different single cells.

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Genes referenced: LOC100887844