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प्रश्न
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
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उत्तर
An inheritable change in the amount or the structure of a gene or a chromosome is called Mutation.
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संबंधित प्रश्न
The Chromatin material is formed forms of ______.
The term “chromosomes” literally means ______.
Match the events given in column A with the phase in mitotic cell division in column B.
| Column ‘A’ | Column ‘B’ | ||
| 1. | Chromosomes get arranged in a horizontal plane at the equator. |
a. | Anaphase |
| 2. | Daughter chromosomes move to the opposite poles of a spindle |
b. | Prophase |
| 3. | Chromosomes become visible as fine, long threads. |
c. | Telophase |
| 4. | Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network. |
d. | Metaphase |
Synthesis phase in the cell cycle is called so for the synthesis of more of
Enumerate the various changes that occur in the nucleus of the cell during prophase.
Explain the Term Centrioles
Name the following:
The pattern of arrangement of genes along a chromosome.
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
The number of chromosomes found in human beings is ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
