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संबंधित प्रश्न
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 |
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Chromosomes are mainly made up of ______.
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
Choose the correct answer:
The term 'chromosome' was coined by ___________
What are chromosomes?
Give Reasons for the following
The meiosis is called reductional division
Differentiate between
Chromatin and Chromosome.
Differentiate between
Cytokinesis in plant and animal cell
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question:
After mitotic cell division, a female human cell will have
Multiple Choice Question:
The period between two successive mitotic divisions is
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
The female gamete/egg cell of a human cell will have ______.
Distinguish between the following pair:
Karyotype and Karyokinesis
