monozygosityn.
/ˌmɒnə(ʊ)zʌɪˈɡɒsᵻti/, U.S. /ˌmɑnəˌzaɪˈɡɑsədi/ Biology and Medicine.
The condition of being monozygotic.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > zygote or syngamete > monozygosity, etc.
homozygosity1916
monozygosity1928
zygosity1952
1928 Q. Rev. Biol. 3 413/1 The finger, palm and sole prints of the twins whose monozygosity is evident on various grounds..resemble each other closely.
1952 New Biol. 12 28 The only method at present available for diagnosing monozygosity involves comparison of as many morphological and physiological characters as possible.
1968 Obstetr. & Gynecol. Surv. 23 940 Two-thirds of monozygotic twins have a single placenta with a single chorion, and the diagnosis of monozygosity can be definitely established in this two-thirds.
1990 Sci. Amer. Dec. 14/1 Such genetic divergence may be difficult to detect with the blood tests used to confirm monozygosity.
2000 Fertility & Sterility 74 1254 Monozygosity was confirmed by the use of short tandem repeat analysis in four loci.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
<
n.1928