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The effect of natural selection on colonies or population favouring one group in preference to other may be referred to as group selection. A group can be the smallest collection of individuals within a population or a colony. Group selection, it must be understood, is distinct from selection among individuals. The fitness of the genotypes between groups may vary within a population. The concept of altruism can be extended to groups as well. A colony consisting of many altruists has better chances of survival than a colony consisting of selfish individuals. Let us take hypothetical situatioii where individuals of a colony, reproduce indiscriminately having no regard for the carrying capacity of the environment. On the other hand, consider a colony of individuals with genes restricting population growth, utilising optimally the food sources of the environment. The selection would essentially favour the latter group and the former may eventually face extinction.
When an individual is exposed to foreign serum antigen then a combination of symptoms are produced which is known as serum sickness.
What is the mRNA sequence to this DNA sequence : Guanine, cytosine, adenine, adenine, thymine, guanine
Q. What is the chemical equation of the formation of bicarbonate from water and carbon dioxide? What is the enzyme that catalyzes this reaction? The chemical equation of the ch
ACRODYNAM IC S Division of air in lungs. Measured by spirometer. 1. Tidal Air (T.A.): Quantity of air taken in or given out in a breath 500 cc. 2. Inspiratory Reserv
You now want to express the gene in E coli, but unfortunately it has an intron in it that will not be processed out in bacteria, hence it must be removed. (a) Design P
what are the classification of phylum platyhelminthes?
Where is the gall bladder located? The gall bladder is located in the Upper Right Quadrant (URQ) of the abdomen just below the liver. It keeps bile secreted by the liver. The d
Q. What are the enzymes? What is the significance of enzymes for living beings? Enzymes are proteins that are catalysts of the chemical reactions. From Chemistry it is known as
Concerning the presence of the nucleus what is the difference among animal and bacterial cells? Animal cells (cells of living beings of the kingdom Animalia) have an interior m
What is the meaning of Narcolepsy This is an inappropriate attack of sleep, the affected person has an overwhelming impulse to fall asleep or simply collapses into sleep at inc
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