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单词 merozygote
释义

merozygoten.

Brit. /ˌmɛrəˈzʌɪɡəʊt/, U.S. /ˌmɛrəˈzaɪˌɡoʊt/
Origin: Formed within English, by compounding. Etymons: mero- comb. form1, zygote n.
Etymology: < mero- comb. form1 + zygote n. (see quot. 1956).
Genetics.
A merodiploid microorganism.
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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
1956 E.-L. Wollman et al. in Cold Spring Harbor Symp. Quantitative Biol. 21 151/2 This transfer [of genetic material] is partial since only a piece of the Hfr chromosome of variable size is injected into the recipient cell. The resulting zygote is therefore a rather peculiar one for which the term merozygote has been proposed.
1980 Philos. Trans. (Royal Soc.) B. 290 45 These genomes are, initially at least, essentially complete, in contrast to the situation in the merozygotes resulting from plasmid-mediated conjugation between hyphae.
1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. xv. 457 Usually, only a part of the genetic material of a donor cell is transferred to a recipient (acceptor) cell, so that a partial zygote (merozygote) is produced.
This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.1956
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