词汇 | triploid |
释义 | BETA Examples of triploidtriploid isn’t in the Cambridge Dictionary yet. You can help! The majority of these 2-cell embryos contained morphologically normal, presumably triploid nuclei; three of them contained also micronuclei. Statistical methods for dissecting triploid endosperm traits using molecular markers : an autogamous model. No major differences were observed for the two indices between the two diploid or the two triploid populations. The different phenotypes of crosses 1 and 2 can be due to the different allele combinations in the aleurone layer of the triploid endosperm. Considerable non-additive genetic variation observed in the triploid poplar population seems to disagree with these traditional views. The present study showed that the triploid progeny population had little more genetic variation in leaf traits than its diploid counterpart. However, the triploid progeny displayed more diverse genetic structures, with more contributions to the genetic variance by dominance and epistasis, than the diploid progeny. Of these, 40% exhibited a normal diploid chromosome complement, 59% were haploid and 1% were triploid. The combination of different characteristics of diploid and triploid hybrids confers a capacity for a mixed-ploidy population to adapt well to environmental conditions. However, no studies have shown quantitative differentiation in genetic structure and phenotypic plasticity between diploid and triploid progeny populations. However, for the phenotypic plasticity of these leaf traits, genetic variabilities were consistently larger in the triploid than diploid progeny population. The three kinds of genetic variance components were estimated for diploid, triploid and mixed progeny populations, respectively. Therefore, it is possible that the triploid population has a greater capacity to adapt more efficiently to environmental changes than the diploid population. Given the complexity of genotyping the triploid endosperm, we will screen marker genotypes from the seedlings that develop from the diploid embryos. There are some reports of five mature triploid infants and these were all either stillborn or died neonatally and had multiple malformations. These covering layers are the testa (seed coat), an entirely maternal tissue, and the triploid endosperm, a predominantly maternal tissue. Embryo 3 was a chaotic triploid (or possibly a triploid/diploid mosaic). The resulting tetraploid and triploid males are highly sterile in nature. |
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