graft chimera

A plant which is a mosaic of two sorts of tissue differing in genetic constitution and assumed to have arisen as the result of a nuclear fusion following grafting.

Glossary of Biotechnology for Food and Agriculture . 2015.

Look at other dictionaries:

  • graft chimera — noun (botany) A chimera in which the genetically distinct cell types derive from different species • • • Main Entry: ↑graft …   Useful english dictionary

  • Chimera (plant) — Chimeras (or chimaeras) in botany are usually single organisms composed of two genetically different types of tissue. They occur in plants, on the same general basis as with animal chimeras. However, unlike animal chimeras, both types of tissues… …   Wikipedia

  • graft hybrid — An individual formed from graft (2) and stock showing the characteristics of both progenitors. See: graft chimera …   Glossary of Biotechnology

  • graft — 1. Verb. To place a detached branch or bud (scion) in close cambial contact with a rooted stem (rootstock) in such a manner that scion and rootstock unite to form a single plant. 2. Noun. Colloquial synonym for scion. See: grafting, graft chimera …   Glossary of Biotechnology

  • chimera — (or chimaera) 1. An organism whose cells are not all genotypically identical. This can occur as a result of: somatic mutation; grafting (see: graft chimera); or because the individual is derived from two or more embryos or zygotes. 2. A… …   Glossary of Biotechnology

  • graft hybrid — /graft ˈhaɪbrəd/ (say grahft huybruhd) noun a plant chimera produced as a result of natural or artificial grafting …   Australian English dictionary

  • Chimera — In medicine, a person composed of two genetically distinct types of cells. Human chimeras were first discovered with the advent of blood typing when it was found that some people had more than one blood type. Most of them proved to be blood… …   Medical dictionary

  • graft hybrid — noun : a chimeral hybrid produced by grafting in which tissue from scion and stock are intimately mingled in the new growth; especially : a shoot of a grafted plant exhibiting such mingling compare chimera 3 * * * a hybrid plant that is produced… …   Useful english dictionary

  • periclinal chimera — 1. Genotypically or cytoplasmically different tissues arranged in concentric layers. 2. A chimera in which one or more layers of tissue derived from one graft member enclose the central tissue derived from the other member of the graft …   Glossary of Biotechnology

  • radiation chimera — an organism that survives with immunologic characteristics of host and donor after a bone marrow graft from an antigenically different donor, the host having first been subjected to sublethal whole body irradiation so that there is reduced or no… …   Medical dictionary

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