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1answer
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How does plant grafting work?

Plant grafting is a process whereby a piece of one plant is inserted into another and results in a change of the original plant. For example, grafting a piece of a lemon tree into a bitter orange tree ...
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1answer
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In a vertebrate chimera, are particular organs homogenous genetically?

I have read that a chimera is an organism with two or more sets of DNA, with every cell having one of the sets. Is it possible and common for the two or more sets to be present in the cells of a ...
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0answers
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When do chimeras happen?

If one developing twin absorbs another, when does that happen? Is it possible for an appendage or organ to develop and be the only remaining vestige of an absorbed twin, such as a hand or a mouth, or ...