(1) We were able to detect genetic recombination between vaccine strains of PRV following in vitro or in vivo coinoculation of 2 strains of PRV.
(2) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
(3) The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.
(4) This suggests that the latter group does not possess the genetic equipment (Ir genes) to recognize the antigenic determinants and to synthesize the corresponding antibodies.
(5) Pedigree studies have suggested that there may be an inherited predisposition to many apparently nonfamilial colorectal cancers and a genetic model of tumorigenesis in common colorectal cancer has been proposed that includes the activation of dominantly acting oncogenes and the inactivation of growth suppressor genes.
(6) In neither case has a significant elevation in inherited genetic effects or cancer been detected in the offspring of exposed individuals.
(7) The dilemmas faced by the genetic counsellor are discussed in this variable autosomal dominant condition.
(8) Extensive sequence homologies and other genetic features are shared with the related oncogenic virus, human papillomavirus type 16, especially in the major reading frames.
(9) In this way they offer the doctor the chance of preventing genetic handicaps that cannot be obtained by natural reproduction, and that therefore should be used.
(10) The relation between genetic counseling and the procreation sphere among the studied families is presented.
(11) Genetic regulation of the ilvGMEDA cluster involves attenuation, internal promoters, internal Rho-dependent termination sites, a site of polarity in the ilvG pseudogene of the wild-type organism, and autoregulation by the ilvA gene product, the biosynthetic L-threonine deaminase.
(12) Genetical analysis revealed that resistance to trimethoprim resulted from forward mutations at separate loci rather than back mutations of rad 6 or rad 18 alleles.
(13) The incomplete penetrance of the neoplastic phenotype and the monoclonality of lymphoid tumors suggest that tumor formation in v-fps mice requires genetic or epigenetic events in addition to expression of the P130gag-fps protein-tyrosine kinase.
(14) This might suggest a genetic difference between the rat strains in the regulation of the enzyme activity.
(15) Analysis of genetic markers associated with the deleted haplotypes pointed to the independent origin of similar deletions and the involvement of intergenic sequences in the mispairing-recombination process.
(16) In this sense, there is evidence that in genetically susceptible individuals, environmental stresses can influence the long-term level of arterial pressure via the central and peripheral neural autonomic pathways.
(17) Using the asynchronously replicating (hence genetically inactive) X chromosome as a marker, we obtained evidence showing that most or all of these tumors were monoclonal in origin.
(18) Both hypodontia and hyperdontia are found in a number of well-defined genetic syndromes and in most instances are common characteristics of the disease.
(19) Precipitating antibodies were found in both lines; they first appeared 7 days after inoculation in P-line birds and 14 days after inoculation in N-line birds, but thereafter there was no difference between the two genetic lines.
(20) The recent discovery of nuclear retinoic acid receptors provides a basis for understanding how retinoic acid acts at the genetic level.
Syzygy
Definition:
(n.) The point of an orbit, as of the moon or a planet, at which it is in conjunction or opposition; -- commonly used in the plural.
(n.) The coupling together of different feet; as, in Greek verse, an iambic syzygy.
(n.) Any one of the segments of an arm of a crinoid composed of two joints so closely united that the line of union is obliterated on the outer, though visible on the inner, side.
(n.) The immovable union of two joints of a crinoidal arm.
Example Sentences:
(1) Syzygy and gamete formation occurred in the gut of a leech, Johanssonia sp.
(2) The second one is related to the genus Pterospora (in the Polychaeta host, Petaloproctus terricola) but differs from the three species already known by its size and number of terminal digitations in specimens always found in syzygy.
(3) It is characterized by early syzygies with lateral connection and navicular sporocysts with similar poles.