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संबंधित प्रश्न
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Centromere is related to _______________
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
Synthesis phase in the cell cycle is called so for the synthesis of more of
What is the importance of meiosis in creating variations?
(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.
Draw a duplicate chromosome and label its part.
Explain the Term Zygotene
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes are the thickest and shortest in telophase.
Compare X chromosome and Y chromosome.
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 ______
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
______ 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 ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
