Advertisements
Advertisements
प्रश्न
What are chromosomes?
Advertisements
उत्तर
Chromosomes are highly condensed coiled chromatic fibres made of DNA which carries the hereditary material of the organisms.
संबंधित प्रश्न
State the exact location of the Centromere
The term “chromosomes” literally means ______.
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.
State the difference between:
Chromosome and chromatid
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.
Write a sentence of the following:
Centromere
Differentiate between
Gametic meiosis and Zygotic meiosis.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
Pairs of chromosomes, present in human egg cells.
Give Technical Term:
Transmission of characters through generations.
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 chromosomes are duplicated in ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
Distinguish between the following pair:
Karyotype and Karyokinesis
