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प्रश्न
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
विकल्प
Inheritance
sexual reproduction
asexual reproduction
chromosomes
DNA
RNA
gene
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उत्तर
The component which is in the nuclei of cells and carries the hereditary characteristics is called a chromosome.
APPEARS IN
संबंधित प्रश्न
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Choose the correct answer:
Chromosomes number is halved in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Sutton and Boveri
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Thick short chromosomes can be observed at (in mitosis) ___________
What is the importance of meiosis?
Give Reasons for the following
The meiosis is called reductional division
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Name the following:
The pattern of arrangement of genes along a chromosome.
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. |
Describe the structure of sex chromosomes with the help of labelled diagram.
Explain the structure of chromosomes with labelled diagram.
The region of the chromosome where the spindle fibres get attached during cell division ______
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Small swellings on the surface of the chromosome are called______.
