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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
Name the following:
The number of chromosomes present in a nerve cell of a human being.
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Explain the Term Leptotene
Explain the Term Spindle
What is allosome?
The centromere is found at the centre of the ______ chromosome.
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.
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'.
