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प्रश्न
The thin thread-like structures found in the nucleus of each cell are called ______.
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उत्तर
The thin thread-like structures found in the nucleus of each cell are called Chromosomes.
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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.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Chromosomes are mainly made up of ______.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Explain the Term Leptotene
Explain the Term Zygotene
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 are the thickest and shortest in telophase.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
