What are tyloses?
What are Tyloses?
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Questions and Answers For
Botany
202 Questions
Differentiate between the following: Haploids and Monoploids Double Trisomic and Tetrasomic Homologous and Homoeologous Chromosomes Autopolyploid and Allopolyploid Diploid and Diploidized Species Aneuploid and Euploid Polyploidy and Heteroploidy
Differentiate between the following: Haploids and Monoploids Double Trisomic and Tetrasomic Homologous and Homoeologous Chromosomes Autopolyploid and Allopolyploid Diploid and Diploidized Species Aneuploid and Euploid Polyploidy and Heteroploidy
1 Answer
With the help of suitable examples, discuss the applications and limitations of allopolyploidy in crop improvement.
With the help of suitable examples, discuss the applications and limitations of allopolyploidy in crop improvement.
1 Answer
Briefly discuss the evolution of the following crops: (i) Brassica spp., (ii) Triticum aestivum, (iii) Nicotiana tabacum, and (iv) Gossypium hirsutum.
Briefly discuss the evolution of the following crops: (i) Brassica spp., (ii) Triticum aestivum, (iii) Nicotiana tabacum, and (iv) Gossypium hirsutum.
1 Answer
What is ailopolyploidy? Discuss the origin ni nature and experimental production of allopolypioids.
What is ailopolyploidy? Discuss the origin ni nature and experimental production of allopolypioids.
1 Answer
Define autopolyploidy. briefly describe the methods of production of autodolyploids and their importance and limitations in crop improve- ment.
Define autopolyploidy. briefly describe the methods of production of autodolyploids and their importance and limitations in crop improve- ment.
1 Answer
What are the common aneuploid analyses for locating genes on a particular chromosome? Give abrief description of these techniques using suitable diagrams where necessary.
What are the common aneuploid analyses for locating genes on a particular chromosome? Give abrief description of these techniques using suitable diagrams where necessary.
1 Answer
Define heteroploidy. List the various types of changes ni chromosome number. Briefly describe the modes of origin of aneuploids and their applications in crop improvement.
Define heteroploidy. List the various types of changes ni chromosome number. Briefly describe the modes of origin of aneuploids and their applications in crop improvement.
1 Answer
Discuss the physiological bases of heterosis.
Discuss the physiological bases of heterosis.
1 Answer
Write short notes on the following: (i) sickle cell anaemia, (ii) pab locus in Neurospora, (ili) ma gene in maize, (iv) Adh alleles in maize, (v) inbreeding depression, and (vi) hybrid vigour.
Write short notes on the following: (i) sickle cell anaemia, (ii) pab locus in Neurospora, (ili) ma gene in maize, (iv) Adh alleles in maize, (v) inbreeding depression, and (vi) hybrid vigour.
1 Answer
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Top Questions
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Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Genetically modified (GM) crops, such as soybeans, maize, and rice,
Sourav
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Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein
<h2 class="mb-2 mt-6 text-lg first:mt-3">Process of Genetic Modification Using Bacterial
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Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities
<h2 class="mb-2 mt-6 text-lg first:mt-3">Examples of Genetic Modification</h2> Genetic modification involves
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Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
Genetic modification (GM) refers to the deliberate alteration of an
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Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products
<h2 class="mb-2 mt-6 text-lg first:mt-3">Conditions to Control in a Fermenter</h2> Fermenters
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Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein
<h2 class="mb-2 mt-6 text-lg first:mt-3">The Use of Fermenters for Large-Scale
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Explain the use of lactase to produce lactosefree milk
<h2 class="mb-2 mt-6 text-lg first:mt-3">The Use of Lactase to Produce
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