-
unreduced gametes and thus aid the
formation of tetraploids. This
pathway to
tetraploidy is
referred to as the
triploid bridge.
Triploids may also
persist through...
- in the
teleost fishes.
Extant salmonids all show
evidence of
partial tetraploidy, as
studies show the
genome has
undergone selection to
regain a diploid...
-
Table 2:
Expected genotype frequencies for
tetraploidy Genotype Frequency AAAA p 4 {\displaystyle p^{4}} AAAa 4 p 3 q {\displaystyle 4p^{3}q} AAaa 6 p...
-
diploid goatgr****). Wild
emmer arose from an even
earlier ploidy event, a
tetraploidy between two diploids, wild
einkorn (T. urartu) and A.
speltoides (another...
-
predominantly in the
epithelioid histology. Aneuploidy,
ranging from
haploidy to
tetraploidy, and CpG
island hypermethylation have also been
shown to be frequent...
- (or
variation in the size of the nuclei) is
common and
often reflects tetraploidy and
other degrees of polyploidy, a
normal feature of 30-40% of hepatocytes...
-
Hyperdiploidy 47–50; Normal(diploidy); del (6q);
Rearrangements of 8q24
Unfavorable Hypodiploidy-near haploidy; Near
tetraploidy; del (17p); t (9;22); t (11q23)...
- an
autosomal trisomy (22–32%),
monosomy X (5–20%),
triploidy (6–8%),
tetraploidy (2–4%), or
other structural chromosomal abnormalities (2%).
Genetic problems...
-
Jessica L. Mark & Meselson,
Matthew (April 2008). "Evidence for
degenerate tetraploidy in
bdelloid rotifers".
Proceedings of the
National Academy of Sciences...
- Michael; Thomas,
Brian C. (July 2006). "Gene-balanced duplications, like
tetraploidy,
provide predictable drive to
increase morphological complexity". Genome...