- 行业: Government
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The more or less continuous layer of vegetation formed by the foliage and branches of plants.
Industry:Agriculture
Mating individuals that belong to different strains or families within the same breed or variety.
Industry:Agriculture
Term is not limited to plant or animal context. The cross between a purebred male animal with a non-purebred female animal. The pollinating of non-inbred line seed plants with pollen from an inbred line.
Industry:Agriculture
Term is not limited to plant or animal context. The cross between a purebred male animal with a non-purebred female animal. The pollinating of non-inbred line seed plants with pollen from an inbred line.
Industry:Agriculture
In the interphase nucleus, a condensed mass of chromatin representing an inactivated X chromosome. Each X chromosome, in excess of one, forms sex chromatin (Barr body) in the mammalian nucleus.
Industry:Agriculture
Separation technique in which the stationary phase consists of ion exchange resins. The resins contain loosely held small ions that easily exchange places with other small ions of like charge present in solutions washed over the resins.
Industry:Agriculture
Separation technique in which the stationary phase consists of ion exchange resins. The resins contain loosely held small ions that easily exchange places with other small ions of like charge present in solutions washed over the resins.
Industry:Agriculture
A cross between an organism exhibiting the dominant phenotype for a certain trait, but whose genotype for that trait is unknown and an organism that is homozygous recessive for the trait so that the unknown genotype can be determined from that of the offspring.
Industry:Agriculture
A cross between an organism exhibiting the dominant phenotype for a certain trait, but whose genotype for that trait is unknown and an organism that is homozygous recessive for the trait so that the unknown genotype can be determined from that of the offspring.
Industry:Agriculture
Mating individuals that belong to different strains or families within the same breed or variety.
Industry:Agriculture
