单词	disomy
释义	disomy /dʌɪˈsəʊmi / noun [mass noun] Genetics The condition of having a chromosome represented twice in a chromosomal complement.We found that the rate of chromosome I disomy among vik1 spores was indistinguishable from that observed in wild-type strains.... It may be of interest to examine the sperm of men with different sized Y chromosomes to see whether there is a relationship between the level of sex chromosome disomy and Y chromosome size. Some cases of AS result from inheritance of both chromosomes in the 15 pair from the father, an unusual genetic phenomenon known as uniparental disomy. Derivatives disomic /dʌɪˈsəʊmɪk/ adjective ... Many polyploids, however, have disomic chromosome behavior. Over time, however, diploidization of the genome occurs and disomic segregation becomes prevalent. Given that cultivated peanut is a disomic polyploid, 20 linkage groups were expected. Origin Late 20th century: from di-1 'two' + -some3 + -y3.
随便看	ionographic ionography ionomer ionone ionopause ionophone ionophore ionophoresis ionophoric ionophorous ionosonde ionosphere ionospheric ionospherically ionosphericist ionospherist ionotropic ionotropy ion pair ion propulsion ion pump ion rocket ion-selective ion source ion spot

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