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प्रश्न
Give Reasons for the following
The meiosis is called reductional division
उत्तर
The meiosis is called reductional cell division since the four daughter cells formed have half the number of chromosomes than the mother cell.
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संबंधित प्रश्न
The term “chromosomes” literally means ______.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Chromosomes are mainly made up of ______.
Choose the correct answer:
Chromosomes appear at equator in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes largely consist of _______________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Differentiate between
Gametic meiosis and Zygotic meiosis.
Give Technical Terms
The stage at which the formation of chiasmata occurs.
Duplicated chromosomes are joined at a point termed ______.
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
Name the following:
Cells having a single set of chromosomes.
Name the following:
The pattern of arrangement of genes along a chromosome.
Very Short Answer Question.
What is allosome?
Long answer type question.
Describe the different types of chromosomes.
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
