mericlinal chimera

mericlinal chimera

[¦mer·ə‚klīn·əl ′kim·ə·rə]
(biology)
An organism or organ composed of two genetically different tissues, one of which partly surrounds the other.
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1984) raised the question of whether an apical-celled organ can express a chimera by noting that a mutation in the apical cell will lead to all subsequent cells as mutant and therefore a persistent mericlinal chimera is not possible.
Repetition of this second step produces an eversporting case of mericlinal chimeras.