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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.
If you have water, 10% sucrose, and 40% sucrose solution. Which solutions were isotonic to each other?
What do you mean by Advanced characters The traits, or characteristics, that an animal has that are not ancestral to the taxon. They appear later in the evolutionary history of
Name the Foods to avoid in soft diet include: Fried foods and nuts, rich pastries and desserts, Raw vegetables, Heavily spiced foods, Gas-forming vegetables, S
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In biological studies which of the below is used to refer to iron-containing, oxygen-binding, conjugated protein complex present in sarcoplasm of muscle cells? a) Myelin b)
Define some adverse effects of saponins? The adverse effects of saponins may be described as under: - A well-known toxic effect is 'erythrocyte lysis' since they interact wi
In agriculture areas, farmer pay close attention to d weather forecast. Right before a predicted overnight freeze, farmers spray water on crops to protect the plants. Use the prope
What is an example of a parasite relationship? An example would be a flea and a dog. The flea drinks the dog's blood, but does nothing helpful for the dog.
Q. Define the Remodeling rate? Human cortical bone: 2-10% per year depending on site and age of patient. Trabecular bone: Higher turnover rate 20-30% per year. In a stu
Acute GAS pharyngitis should be treated promptly by penicillin or other antibiotics. Indian Council of Medical Research (ICMR) recommends that all cases of pharyngitis must receive
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