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Natural selection can therefore mean differential reproduction among members of the sarne gene pool. We earlier said that selection would promote those alleles that give rise to phenotypes that are better adapted to a given environment. In other words, the frequencies of 'such alleles would tend to increase and those of ill-adapted ones would tend to decrease. What we are sayingis that natural selection is a matter of changes in gene frequencies. Differential reproduction has a dual role to perform. One it leads to or maintains adaptations and therefore determines whether individuals of a population or species will survive; and two, it is a process which determines what changes will occur in the frequencies of alleles in a gene pool of sexually reproducing individuals.
Periodic Variations in Light-Diurnal and Seasonal We know that rotation of the earth on its axis accounts for day-to-night variations in the amount of radiations falling at a g
Q. Etiological factor of malabsorption syndrome? The causes cited for malabsorption can be associated with a number of diseases. Many of these diseases you may not know presen
Define Preparation of Dilutions - Standard or Total Plate Counts? 1. Serial dilution of homogenized sample in an appropriate diluent. Preparation of dilutions - Decimal dilu
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Do fats with one or more 'kinky' tail fatty acids tend to be solid or liquid at room temperature? These are found in triglycerides forming what? Solid fats or oils? Is it opposite
Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.
Explain Chemistry and Occurrence of phytates? Most plant foodstuffs contain inositol which is present in the form of inyo-inositol hexakisphosphate i.e. phytic acid and its sal
What is the classification scheme for echinoderms?
Q. What are some symptoms and signs found in patients with hyperthyroidism? The hormones made by the thyroid gland stimulate the basal metabolism of the body in hyperthyroidism
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