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प्रश्न
Choose the correct answer:
Chromosomes largely consist of _______________
पर्याय
DNA and histones
DNA and RNA
RNA and histones
histones and ions
उत्तर
Chromosomes largely consist of DNA and histones
APPEARS IN
संबंधित प्रश्न
Name the following:
The number of chromosomes present in a nerve cell of a human being.
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
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.
Choose the correct answer:
Centromere is related to ________
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
Differentiate between
Chromatin and Chromosome.
Differentiate between
Cytokinesis in plant and animal cell
Explain the Term Zygotene
Name the following:
Microtubules form the bipolar spindle in which stage.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
State the Location: Polytene chromosome
Name the following:
The number of chromosomes present in human gametes.
Write the functional activity of the following structure:
Chromosomes
Define euploidy.
The number of chromosomes found in human beings is ______.
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
