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Qualitative traits vs Quantitative traits Qualitative traits Quantitative traits Traits can be grouped Traits can be measured Determine by few gene Determine by many genes Each gene has a large contribution on traits Each gene has small contribution on phenotype…
Plants have mechanisms to avoid inbreeding mechanisms to favor out-cross breading Pre – pollination mechanisms – based on the floral biology Post – pollination mechanisms – self incompatibility Post – fertilization mechanisms. – Embryo abortion, inbreeding depression. Pre – pollination…
Plant Breeding The application of art and science to improve plants for human benefit, such as increasing yield, making them more disease-resistant, and improving flavor. this is achieve by control through crossbreeding, genetic engineering, and so many methods. Crop domestication…
The term “plant microbiome” refers to the collective community of microorganisms that live on and within plants. Microbial diversity is a trait that forms part of the extended phenotype of the host, and important on the health, fitness and the…
Major steps in the sulfur cycle. Sulfur deposition – Sulfate and elemental sulfur in are deposited in the atmosphere, plants, and other organisms. Sulfur oxidation – sulfur oxidizing bacteria convert hydrogen sulfide into elemental sulfur and sulfate. The green and…
Main steps of nitrogen cycle Nitrogen fixation. Nitrification. Denitrification. Ammonification. Nitrogen assimilation. Nitrogen fixation Mainly two steps in nitrogen fixation; Biological N2 fixation (BNF) and Non-biological N2 fixation (NBNF). Biological N2 fixation is mainly done by prokaryotes using nitrogenase enzyme…
General major steps of the carbon cycle. Photosynthesis Respiration Decomposition Fossil fuel formation Fossil fuel burning Absorption into ocean Up taken by the plants Rock Weathering Methanogenesis The production of Methane Hydrogen, Carbon dioxide production – broken down the organic…
Quorum sensing is a type of cell-to-cell communication mechanism used by bacteria and other microorganisms to coordinate their behavior and activities. It involves the production and detection of signaling molecules called autoinducers, Which allow for the regulation of gene expression,…
Mainly there are five factors that affecting the biological risk of the microorganisms nature of the microorganisms number of the microorganisms nature the route of the infection. Susceptibility of the microorganisms to treatments Susceptibility of the host Nature of the…
The Spearman correlation is a non-parametric alternative to the linear correlation coefficient. Assumptions of Spearman Correlation Random sampling Independent measurements Data should be measurements counts or ordinal Steps in Spearman Correlation