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प्रश्न
Explain the Term Centrioles
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उत्तर
Centrioles: Two tiny structures located in the cytoplasm near the nuclear envelope (a membrane that surrounds the nucleus).
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संबंधित प्रश्न
State the exact location of the Centromere
What is the difference between chromatin fibre and chromosome?
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
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Chromosomes are mainly made up of ______.
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Chromosomes are thin and thread like at __________
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
What is the importance of meiosis?
Explain the Term Spindle
Name the following:
Microtubules form the bipolar spindle in which stage.
Write the functional activity of the following structure:
Chromosome
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
Name the following:
The pattern of arrangement of genes along a chromosome.
Compare X chromosome and Y chromosome.
The loss of one or more chromosomes in ploidy is called ______.
Explain the structure of a chromosome.
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'.
