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प्रश्न
The term “chromosomes” literally means ______.
पर्याय
Inherited bodies
Twisted threads
Coloured bodies
Shining threads
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उत्तर
The term “chromosomes” literally means coloured bodies.
Explanation:
The term "chromosomes" literally translates to "coloured bodies." This term is derived from the Greek words "chroma," meaning colour and "soma," which means body. It reflects the ability of chromosomes to absorb specific dyes and become visible under a microscope, allowing scientists to examine and distinguish between them.
संबंधित प्रश्न
The Chromatin material is formed forms of ______.
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.
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
Chromosomes number is halved in ____________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Write a sentence of the following:
Sheath
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes are thin and thread like at __________
State how does meiosis maintains chromosome number in a species.
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
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.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
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 |
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
The female gamete/egg cell of a human cell will have ______.
Define the following term:
Chromatid
