1. Colchicines treatment
2. Heat treatment
3. Hormonal treatment
4. Breeding with their wild varieties
Colchicines treatment
1. Polytene chromosomes
2. Sex chromosomes
3. Ring chromosomes
4. Lampbrush chromosomes
Polytene chromosomes
1. Nucleoli
2. Nucleosome
3. Base
4. Centromere
Nucleosome
1. Lysosomes
2. Dictyosomes
3. Sphaerosome
4. Microsome
Dictyosomes
1. Chromosome divides but nucleus does not divide
2. Nucleus divides but the cell does not divide
3. Chromatides divide but the chromosome does not divide
4. The chromosome assumes lampbrush shape
Chromatides divide but the chromosome does not divide
1. Cuts the DNA from a specific site
2. Joins the DNA segment
3. Cuts the DNA at thejunction between nucleosome
4. Binds the DNA with histone
Cuts the DNA at thejunction between nucleosome
1. Replication of DNA
2. Poleward movement of chromosome
3. Cytoplasmic cleavage
4. Chromosome segregation
Poleward movement of chromosome
1. Phase contrast microscopy
2. Light microscopy
3. Electron microscopy
4. Autoradiography
Electron microscopy
1. ATP from ADP
2. ATP from pyruvic acid
3. Lactic acid from citric acid
4. ADP from ATP
ATP from ADP
1.
2.
3.
4.