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प्रश्न
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संबंधित प्रश्न
What are genes?
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Choose the correct answer:
The term 'chromosome' was coined by ___________
How does colchicine act as mitotic poison? Is there any advantage of it?
Name the following:
Microtubules form the bipolar spindle in which stage.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Complete the following sentence with appropriate word :
The spindle fibers are made of _______.
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
Pairs of chromosomes, present in human egg cells.
Compare X chromosome and Y chromosome.
The centromere is found at the centre of the ______ chromosome.
The number of chromosomes found in human beings is ______.
An inheritable change in the amount or the structure of a gene or a chromosome is 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.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
Small swellings on the surface of the chromosome are called______.
