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प्रश्न
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.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
Write a sentence of the following:
Sheath
Choose the correct answer:
The term 'chromosome' was coined by ___________
Differentiate between
Cytokinesis in plant and animal cell
Explain the Term Zygotene
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
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.
Give Technical Term:
Transmission of characters through generations.
Define euploidy.
The region of the chromosome where the spindle fibres get attached during cell division ______
The loss of one or more chromosomes in ploidy is called ______.
The thin thread-like structures found in the nucleus of each cell are called ______.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
Define the following term:
Chromosome
