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单词 pseudotetraploid
释义

> as lemmas

pseudotetraploid
pseudotetraploid n. and adj.
Brit. /ˌs(j)uːdə(ʊ)ˈtɛtrəplɔɪd/
,
U.S. /ˌsudoʊˈtɛtrəˌplɔɪd/
Genetics (a) n.an organism having a chromosome complement which differs from the normal tetraploid complement in constitution but not in number; (b) adj. designating an organism or species having such f complement.
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the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > ploidy > individual
haploid1908
tetraploid1914
haplont1918
hexaploid1921
pentaploid1921
pseudotetraploid1923
octoploid1926
triploid1927
allopolyploid1928
autopolyploid1928
polyploid1928
hyperdiploid1929
allotetraploid1930
autotetraploid1930
hyperploid1930
hypoploid1930
autoploid1932
polysomic1933
mixoploid1939
monoploid1944
amphiploid1945
merozygote1956
merodiploid1964
1923 Bot. Gaz. 76 330 Of two plants from our cultures, each of which had a total of 48 chromosomes in their somatic cells.., one appears to have been a chromosomal mutant of the type (4n + 1 − 1) and the other a mutant of the type (4n + 1 + 1 − 1 − 1). Such forms obviously cannot properly be called 4n or tetraploid. They..may be classified as modified tetraploids, or at most as ‘pseudotetraploids’.
1957 R. A. Beatty Parthenogenesis & Polyploidy in Mammalian Devel. vi. 94 If, for example, all chromosomes fragmented into two, then a diploid organism would be transformed into a ‘pseudotetraploid’, with twice the normal chromosome number, but still with the same amount of chromosomal material per cell.
1997 Gene 194 215 With Xenopus laevis being a pseudotetraploid species, each monomer is encoded by two genes.
extracted from pseudo-comb. form
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as lemmas
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