Article
Genetic and cytological control of the asymmetric divisions that pattern the Volvox embryo.
Development (Cambridge, England). Supplement - 1 Jan 1991
Kirk D L, Kaufman M R, Keeling R M, Stamer K A
Abstract excerpt
The highly regular pattern in which approximately 2000 small somatic cells and 16 large reproductive cells (or 'gonidia') are arranged in a typical asexual adult of Volvox carteri can be traced back to a stereotyped program of embryonic cleavage divisions. After five symmetrical divisions have produced 32 cells of equal size, the anterior 16 cells cleave asymmetrically, to produce one small somatic cell initial...
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