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प्रश्न
State how does meiosis maintains chromosome number in a species.
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उत्तर
The gametes are formed by meiosis. During meiosis the number of chromosomes is reduced to half i.e. the gametes contain haploid number of chromosomes. The male and female gametes fuse to form a diploid zygote. In this way meiosis maintains chromosome number in a species.
संबंधित प्रश्न
Chromosomes get aligned at the center of the cell during ______.
Name the following:
The number of chromosomes present in a nerve cell of a human being.
Choose the correct answer:
Chromosomes appear at equator in ____________
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:
Balbiani
Choose the correct answer:
Sex of an individual is determined by ____________
Enumerate the various changes that occur in the nucleus of the cell during prophase.
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
How does colchicine act as mitotic poison? Is there any advantage of it?
What is the importance of meiosis in creating variations?
Differentiate between
Chromatin and Chromosome.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Name the following:
The diploid number for cell of man.
What is allosome?
Identify the odd one:-
The region of the chromosome where the spindle fibres get attached during cell division ______
Define the following term:
Chromatid
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
Aneuploidy refers to ______.
