Answer the following questions.
Question1) Write the genotypes and the phenotypes of the persons with Klinefelter Syndrome and Down Syndrome.
Question2) Explain the role of T and B Lymphocytes in eliciting immune response.
Question3) Explain the experiment of Avery, McLeod and McCarty. Why is it considered important in the field of Genetics?
Question4) Write brief notes on the following:
(i) Applications of genetic engineering in medicine
(ii) Hardy;Weinberg Law
Question5) Differentiate the following pairs of words:
(i) Multiple alleles and multiple genes
(ii) Complete linkage and incomplete linkage
Question6) Define the following terms:
(i) Extra;nuclear inheritance
(ii) Interstitial deletion
(iii) Intergenic mapping
(iv) Quantitative inheritance
(v) Crystallised intelligence
Question7) (i) Explain the Jacob and Monad Model for the regulation of gene expression in
lac Operon.
(ii) With the help of appropriate examples explain the four types of structural abnormalities that occur in chromosomes.
(iii) Explain the role of autopolyploidy and allopolyplo idy in the evolution of plants.