How to make sea urchin identical twins. (IMAGE)

University of Tsukuba

How to make sea urchin identical twins.

Caption

Early sea urchin embryos can be split into two, and each half can develop into a complete individual. In other words, they can produce identical (monozygotic) twins—a phenomenon known as regulative development. However, the mechanism by which identical twinning occurs has long remained unclear.

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Shunsuke Yaguchi

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