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
Which method of crop improvement can be practised by a farmer if he is inexperienced?
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are ______.
Iron fortified rice variety determines the protein quality of the cultivated plant
In vitro fertilisation means the fertilisation done inside the body.
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.
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.
