词汇 | homozygous |
释义 | homozygous adjective biology specializeduk /ˌhɒm.əˈzaɪ.ɡəs/ us /ˌhoʊ.məˈzaɪ.ɡəs/ having two of the same form of gene (= part of a cell containing DNA information) that controls a particular characteristic and is therefore able to pass on that form only: 纯合子的,同型合子的(带有两种同型基因的,基因中包含控制细胞某种特性的 DNA 信息,因此只可遗传同型基因的特性) a homozygous cell纯合子细胞 Compare heterozygous Genetics accession number adenine anaphase autosomal autosomally dizygotic genetically genetically engineered geneticist genic genomic genomics monozygotic mutate non-Darwinian non-familial non-genetic non-mutant nondominant sex-linked Related wordhomozygote homozygous | American Dictionaryhomozygous adjective[ not gradable ] us/ˌhoʊ·məˈzɑɪ·ɡəs/ biology having two of the same form of a gene that controls one characteristic, and therefore able to pass on one form only to the young Examples of homozygoushomozygous Finally, rescue of adult viability was noted for homozygous males of several excision lines, in both enhancer-trap strains. This mutation is semi-lethal since homozygous stocks display reduced viability (data not shown). This type of plant-pathogen self-regulation is a characteristic of genetically diverse populations and is generally not found in homogeneous, homozygous monocultures. In our case this hypothesis is not likely because no homozygous nulls were observed for the different loci analysed. If these metabolic regulators are not involved, the transgenic mice and homozygous (lit\\lit) mice would be expected to be identical to their wild-type littermates. The average growth rate of the four (sometimes three, rarely two) wild-type homozygous (iw/iw) colonies was calculated. When both loci are homozygous for a resistant allele, worms are highly resistant. Two hundred and twenty-one independent lines were established by single-pair sibmating for 14 generations rendering independent homozygous lines. The effect of a homozygous deletion in one of the alleles was correlated with higher antibody responses. The first explanation is that the alleles which cause disease when homozygous, confer some benefit when heterozygous : this is the overdominance model. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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