heterokaryona
cell having two or more genetically different nuclei
Source: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>A test for
cytoplasmic
organelle mutations (eg.
mitochondrial or
chloroplast mutations), based on new associations (
recombination) of
phenotypes in
cells derived from genetically marked
haploid heterokaryons.
Full article >>>HeterokaryonA multinuclcate
cell containing nuclei of more than one
genotype, such as are of widespread occurrence in
fungi (Gk. heteros, different; karyon, nut,
nucleus.)
Related Terms:
Nucleus ...
Full article >>>heterokaryons
.
Dikaryosis
is a significant genetic peculiarity of the
fungi.
Full article >>>In the Basidiomycota, the
heterokaryon produces a new
mycelium which may live for years without producing a fruiting body. The familiar mushrooms are examples of these.
Full article >>>Nuclei move from one
mycelium into the other, forming a
heterokaryon (meaning "different nuclei"). This process is called plasmogamy. Actual fusion to form
diploid nuclei is called karyogamy, and may not occur until sporangia are formed.
Full article >>>CellServ provides four different types of kits: Visualization of Normal and
Transformed
Cells; Observation of
Heterokaryons Through
Cell Fusion; Effects of Toxic Chemicals on
Cells; and Preparation of
Human Chromosome Spreads.
Full article >>>'"/>