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प्रश्न
Name the following:
The diploid number for cell of man.
उत्तर
46
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संबंधित प्रश्न
State the exact location of the Centromere
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Choose the correct answer:
Chromosome number of man is _____________
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
State the Location: Polytene chromosome
Write the functional activity of the following structure:
Chromosome
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
Multiple Choice Question
Chromosomal aberrations are caused by:
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. |
Long answer type question.
Describe the different types of chromosomes.
Explain the structure of chromosomes with labelled diagram.
The thin thread-like structures found in the nucleus of each cell are called ______.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
The chromosomes are duplicated in ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
