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प्रश्न
The chromosomes are duplicated in ______.
विकल्प
M phase
G1 phase
S phase
G2 phase
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उत्तर
The chromosomes are duplicated in S phase.
Explanation:
Chromosomes are duplicated during the cell cycle's Synthesis (S) phase, which includes DNA replication.
संबंधित प्रश्न
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
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Chromosomes largely consist of _______________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
Name the following:
The part of the cell associated with heredity.
Complete the following sentence with appropriate word :
The spindle fibers are made of _______.
Duplicated chromosomes are joined at a point termed ______.
State the Location: Chromosomes
Write the functional activity of the following structure:
Chromosome
Write the functional activity of the following structure:
Spindle fibers
Nullisomy is represented by ______.
Describe the structure of sex chromosomes with the help of labelled diagram.
The number of chromosomes found in human beings is ______.
The thin thread-like structures found in the nucleus of each cell are called ______.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
