A gene located an y - chromosome and therefore, transmitted from father to son is known as

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• If distance between gene on chromosome in more , then gene shows :-
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• Match the following. Column – 1 Column – 2 (p) National Bureau of Plant (I) Conservation of biodiversity Genetic Resources (q) World Wild life Fund (ii) Conservation of gene of domesticated animal (r) National Bureau of fish (iii) Conservation of gene of crop plant Genetic Resources (s) National Bureau of Animal (iv) Conservation of gene of Economically valuable Genetic Resources species
• Some of the steps involved in the production of humulin are given below choose the correct sequence (i) synthesis of gene (DNA) for human insulin antibicially (ii) culturing recombinant E.Coli in bioreactors (iii) Purification of humulin (iv) Insertion of human insulin gene into plasmid (v) Introduction of recombinant Plasmid into E.Coli (vi) Extraction of recombinant gene product From E.Coli
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• Down's Syndrome is caused by an extra copy of chromosome number 21. What percent age of off spring produced by an affected mother and a normal father? AIPMT - 2003
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• In a plant, gene "T" is responsible for tallness and its recessive allele "t" for dwarfness and "R" is reponsible for red colour flower and its recessive allele "r" of white flower colour. A tall and red flowered plant with genotype TtRr crossed with dwarf and red flowered ttRr. What is the percentage of dwarf - white flowered offspring of above cross ?