Advertisements
Advertisements
प्रश्न
State the difference between:
Chromosome and chromatid:
Advertisements
उत्तर
A chromosome is an organized structure of DNA and protein found in cells. It is a single
piece of coiled DNA containing many genes, regulatory elements and other nucleotide
sequences whereas a chromatid is one of the two copies of DNA making up a duplicated
chromosome, which are joined at their centromeres, for the process of cell division (mitosis
or meiosis).
संबंधित प्रश्न
What is the difference between chromatin fibre and chromosome?
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Choose the correct answer:
Telocentric chromosomes are _________________
What are chromosomes?
How does colchicine act as mitotic poison? Is there any advantage of it?
Differentiate between
Chromatin and Chromosome.
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 other than sex-chromosomes are autonomous.
Multiple Choice Question
Chromosomal aberrations are caused by:
The centromere is found at the centre of the ______ chromosome.
Explain the structure of a chromosome.
The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?
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
The chromosomes are duplicated in ______.
