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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.
why obwlia is considered to be of special interest in zoologyas an animal showing an intermediate grade of organisation
Chemical Methods of Estimating Available Nutrients Water soluble forms of nutrients are available to plants but forms other than water soluble may also become available to pla
Microfilaments comprise of the proteins The microfilaments comprise of the proteins, actin and myosin, the same contractile proteins that are found in skeletal muscle cells. Si
Construct a genomic DNA library with the help of some methylaee and finall do viral packaging.
1 list the names of the phyla of animalike protists that have only free-living members
A restriction map of plasmid and a human gene of identified sequence is demonstrated below. Your job is to clone the human liver cDNA for that gene than the start codon is closer t
What are Sphingolipids? Also there link to cancer caused in cells.
Define Procedure for Testing the Presence of Proteins in Milk? 1. Add 0.5 ml of alcohol to 0.5 ml milk. Alcohol helps in curdling the milk. 2. Observe for the curdling of m
Which of the following is true for a G-protein? A. When an agonist binds to the binding site of a G-protein-coupled receptor (GPCR), this leads to GDP displacing a GTP bound to
what can we do after reading biology???
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