Which of the following is the most suitable medium for the culture of Drosophila melanogaster?

1. Cow dung 2. Moist bread
3. Agar agar 4. Ripe Banana
Subtopic:  Chromosomal Basis of Inheritance: Introduction | Linkage |
 65%
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Given below are different levels of organization of genetic material. Arrange them in the correct descending order of their size:

1. Genome, chromosome, gene, nucleotide
2. Gene, chromosome, nucleotide, genome
3. Chromosome, gene, genome, nucleotide
4. Chromosome, genome, nucleotide, gene
Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 70%
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Drosophila melanogaster is a model organism for the study of genetics. The advantages of this organism include all the following except:

1. A long life cycle
2. A large number of progeny produced by a single mating
3. Clear differentiation between sexes
4. Hereditary variation is easily seen with low-power microscopes

Subtopic:  Chromosomal Basis of Inheritance: Introduction |
 88%
From NCERT
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