Related InterviewSolutions

• Explain the mechanism of sex-determination in humans. b) Differentiate between male heterogamety and female heterogamety with the help of an example of each.
• Why are human females rarely haemophilic? Explain. How do haemophilic patients suffer?
• A child suffering from Thalassemia is born to a normal couple. But the mother is being blamed by the family for delivering a sick baby. (a) What is Thalassemia ? (b) How would you counsel the family not to blame the mother for delivering a child suffering from this disease ? Explain... (c) List the values your counselling can propagate in the families.
• The following is the flow chart highlighting the steps in DNA finger printing technique. Identify a, b, c, d, e and f.
• By what Latin name, the first Hominid was known?
• (a) What is this diagram representing? (b) Name the parts a, b and c. (c) In the eukaryotes the DNA molecules are organized within the nucleus. How is the DNA molecule organized in a bacterial cell in absence of a nucleus?
• In a maternity clinic, for some reasons the authorities are not able to hand over the two new-borns to their respective real parents. Name and describe the technique that you would suggest to sort out the matter.
• With the advent of DNA technology tool is available to identify a criminal or to the real parents. (a) Name this technique. (b) Write the missing steps in the procedure given below. Three of these steps are mentioned in the flow chart. (i) Extraction of DNA from the cells (ii) .......(iii) DNA is cut into fragments by restriction enzyme (iv) ..... (v)...... (vi). ....(vii) Autoradiography
• Unambiguous, universal and degenerate are some of the terms used for the genetic code. Explain the salient features of each one of them.
• "A population has been exhibiting genetic equilibrium". Answer the following with regard to the above statement. (i) Explain the above statement. (ii) Name the underlying principle. (iii) List any two factors which would upset the genetic equilibrium of the population. (iv) Take up any one such factor and explain how the gene pool will change due to that factor