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Explain Crossing Over in genetics?
Crossing over is when the arms of homologous chromosomes exchange segments (and therefore genes) with each other. Recall that one of the homologues originally came from the father's sperm and the other came from the mother's egg.
During Prophase I of Meiosis the homologous chromosomes pair up to form a tetrad. The arms of the chromatids overlap, and can sometimes swap portions. This exchange results in a genetic recombination of the parental genes, providing for genetic variation, the raw material for evolution.
Determination of Nicotinic acid The chemical methods of assay are based on colour reactions of pyridine. Nicotinic acid and nicotinamide are converted by cyanogen bromide into
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Cinemicrography Earlier it was impossible to follow the evenvts within the cell due to: i) non-visibility of cell organelles under a light microscope, ii) maintenance of cells
abnormal lung volumes and capacities
identify 7 speccific ways in which you can diversify carbon-containing compounds
Penicillin allergy Cefazolin is often used for prophylaxis in penicillin-allergic patients, but such patients rarely may have allergic reactions to cephalosporins. When allergy
What is the function, other than protection, of the ribs? The ribs help to alter the volume of the thorax during breathing movements.
Explain about the Radiation Therapy? Radiation therapy is one of the options for the treatment of various tumors. During the administration of radiation patients experience acu
Compare and contrast enantiomers, epimers, and anomers, specifically in relation to sugars.
Adaptive radiation: The growth of a variety of species from the single ancestral form; occurs when a new habitat becomes accessible to a population. The evolutionary pattern of di
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