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For the following questions answer them individually
If two persons with ‘AB’ blood group marry and have sufficiently large number of children, these children could be classified as ‘A’ blood group:‘AB’ blood group :’B’ blood group in1:2:1 ratio. Modern technique of protein electrophoresis reveals presenceof both ‘A’ and ‘B’ type proteins in ‘AB’ blood groupindividuals. This is an exampleof:
Which of the following cannot be detected in a developing foetus by amniocentesis?
The first stable product of fixation of atmospheric nitrogen in leguminous plants is :
A biologist studied the population of rats in a barn .He found that the average natality was 250, average mortality 240,immigration 20 and emigration 30.The net increase in population is
Secondary productivity is rate of formation of new organic matter by :
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