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प्रश्न
Name the following:
The diploid number for cell of man.
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उत्तर
46
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संबंधित प्रश्न
Name the sex chromosomes in human males and females
What are genes?
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 |
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Choose the correct answer:
Thick short chromosomes can be observed at (in mitosis) ___________
Choose the correct answer:
Chromosomes largely consist of _______________
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Name the following:
Pairs of chromosomes, present in human egg cells.
Give Technical Term:
Transmission of characters through generations.
What is allosome?
In humans, the sex chromosome complement is
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______.
Define the following term:
Chromosome
Distinguish between the following pair:
Karyotype and Karyokinesis
