نتایج جستجو برای: sex marker
تعداد نتایج: 333303 فیلتر نتایج به سال:
MOTIVATION Sex-specific marker maps have become increasingly available. We have implemented the usage of sex-specific recombination frequencies in the GENEHUNTER-MODSCORE program that performs multipoint linkage analysis. Furthermore, we have devised a consistent method to choose the combinations of male and female genetic positions at which linkage scores should be calculated. Marker coordinat...
Half-smooth tongue sole (Cynoglossus semilaevis) is one of the most important flatfish species for aquaculture in China. To produce a monosex population, we attempted to develop a marker-assisted sex control technique in this sexually size dimorphic fish. In this study, we identified a co-dominant sex-linked marker (i.e., CyseSLM) by screening genomic microsatellites and further developed a nov...
BACKGROUND Noninvasive genetic tests that use cell-free fetal DNA (cffDNA) are used increasingly in prenatal care. A low amount of cffDNA can have detrimental effects on the reliability of these tests. A marker to confirm the presence of fetal nucleic acids is therefore required that is universally applicable and easy to incorporate. METHODS We developed a novel multiplex, single-tube, noninv...
Sex in birds is chromosomally based, as in mammals, but the sex chromosomes are different and the mechanism of avian sex determination is a long-standing mystery. In the chicken and other birds, the homogametic sex is male (ZZ) and the heterogametic sex is female (ZW). Two hypotheses have been proposed for the mechanism of avian sex determination. The W (female) chromosome may carry a dominant-...
Sex in birds is chromosomally based, as in mammals, but the sex chromosomes are different and the mechanism of avian sex determination is a long-standing mystery. In the chicken and other birds, the homogametic sex is male (ZZ) and the heterogametic sex is female (ZW). Two hypotheses have been proposed for the mechanism of avian sex determination. The W (female) chromosome may carry a dominant-...
Sex in birds is chromosomally based, as in mammals, but the sex chromosomes are different and the mechanism of avian sex determination is a long-standing mystery. In the chicken and other birds, the homogametic sex is male (ZZ) and the heterogametic sex is female (ZW). Two hypotheses have been proposed for the mechanism of avian sex determination. The W (female) chromosome may carry a dominant-...
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