| 单词 | recessive |
| 释义 | recessive adjective biologyspecializeduk/rɪˈses.ɪv/us/rɪˈses.ɪv/(ofgenesand thephysicalqualitiestheycontrol) onlyappearingin achildif bothparentssupplythecontrollinggene （遗传基因）隐性的Compare dominantadjectivespecialized Genetics
recessive| American Dictionaryrecessive adjective us/rɪˈses·ɪv/biology of orrelatingto agene(=chemicalpattern)thatcausesaparticularcharacteristiconly when it ispassedon by bothparents Examplesofrecessiverecessive For reasons described previously, deleterious mutations that persist in a population are likely to be at least partiallyrecessivein their effects on fitness. From theCambridge English Corpus If deleterious mutations tend to be morerecessivethan beneficial mutations, we will score a higher proportion of the beneficial than the deleterious mutations. From theCambridge English Corpus One possibility, which has some parallels in other species, is the presence ofrecessivelethal genes which cause embryonic death in the homozygote. From theCambridge English Corpus A case where such a mild form of inbreeding could be crucial is when mutations are extremelyrecessive. From theCambridge English Corpus We will assume that mutations are at least partlyrecessive(h 1\\2). From theCambridge English Corpus The interaction between selection against partiallyrecessivemutations and genetic drift in small populations also influences the rate of decay of neutral variation. From theCambridge English Corpus High inbreeding depression, selective interference among loci and the threshold selfing rate for purgingrecessivelethal mutations. From theCambridge English Corpus The first cases described were offspring of consanguineous parents who were both carriers of arecessivemutation. From theCambridge English Corpus In these cases, two linked, partiallyrecessiveloci can behave like an overdominant one. From theCambridge English Corpus In the last seven years we have mapped 10 new genes for variousrecessivediseases and identified 3 novel mutations. From theCambridge English Corpus Therecessivemutation tufted was used as a reliable genetic marker to trace transmission of the homologous chromosomes. From theCambridge English Corpus This reasoning applies only to tetraploid populations under the ' duplex-mutation ' model of dominance or for completelyrecessivemutations. From theCambridge English Corpus Thereafter, every retransformation isrecessive, little by little losing its energy until at the end it fades completely. From theCambridge English Corpus If an individual with arecessivetrait marries, then all his children will be carriers as they must receive one of the genes. From theCambridge English Corpus These mutations appear to be inherited in an autosomalrecessivemanner. From theCambridge English Corpus 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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