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प्रश्न
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
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उत्तर
Chromosomes are Hereditary material.
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संबंधित प्रश्न
The term “chromosomes” literally means ______.
State the difference between:
Chromosome and chromatid:
Choose the correct answer:
In an interphase cell chromosome are as _____________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Telocentric chromosomes are _________________
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
(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.
Explain the Term Leptotene
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Duplicated chromosomes are joined at a point termed ______.
Identify the odd one:-
Give the example of X- monosomy you have studied.
Describe the structure of sex chromosomes with the help of labelled diagram.
The region of the chromosome where the spindle fibres get attached during cell division ______
Some of the chromosomes have an elongated knob-like appendages known as telomere.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
After a mitotic cell division, a human female cell will have ______.
In the human male, a sperm contains autosomes and ______.
