Advertisements
Advertisements
प्रश्न
______ is the chemical used for doubling the chromosomes.
Advertisements
उत्तर
Colchicine is the chemical used for doubling the chromosomes.
APPEARS IN
संबंधित प्रश्न
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.
Iron fortified rice variety determines the protein quality of the cultivated plant
Assertion: Colchicine reduces the chromosome number.
Reason: It promotes the movement of sister chromatids to the opposite poles.
Give the name of wheat variety having higher dietary fibre and protein.
Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.
State the importance of biofertiliser.
Describe mutation breeding with an example.
Biofortification may help in removing hidden hunger. How?
Higher Order Thinking Skill (HOT)
Polyploids are characterised by gigantism. Justify your answer.
