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प्रश्न
Nullisomy is represented by ______.
पर्याय
(2n-1)
(2n-2)
(2n+1)
(2n+2)
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उत्तर
Nullisomy is represented by (2n-2)
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संबंधित प्रश्न
What is the number of chromosomes in the gametes of human beings?
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Small swellings on the surface of the chromosome are called______.
