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Question
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.
Options
True
False
Solution
True
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RELATED QUESTIONS
What is the number of chromosomes in the gametes of human beings?
What is the difference between chromatin fibre and chromosome?
Match the events given in column A with the phase in mitotic cell division in column B.
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
a. | Anaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
b. | Prophase |
| 3. | Chromosomes become visible as fine, long threads. |
c. | Telophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
d. | Metaphase |
Choose the correct answer:
Chromosomes appear at equator in ____________
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Chromosomes number is halved in _____________
Choose the correct answer:
Minimum coiling in chromosome is at ______________
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Chromosomes number is halved in ____________
State how does meiosis maintains chromosome number in a species.
What is the importance of meiosis?
Give Reasons for the following
Chromosomes are the carriers of heredity.
(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.
Name the following:
Pairs of chromosomes, present in human egg cells.
Name the following:
The diploid number for cell of man.
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
Multiple Choice Question
Chromosomal aberrations are caused by:
Nullisomy is represented by ______.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
Define Aneuploidy.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
