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प्रश्न
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. |
उत्तर
Change in the number or arrangement of genes in the chromosome.
| Column I | Column II |
| Genetics | Study of laws of inheritance of characters |
| Autosomes | Chromosomes are other than the pair of sex chromosomes. |
| Recessive gene | A gene that can express only when in a similar pair. |
| Allele | The alternative forms of a gene. |
| Homologous chromosomes | Chromosomes are similar in size and shape. |
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संबंधित प्रश्न
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
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
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Chromosomes are thin and thread like at __________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
What are chromosomes?
Enumerate the various changes that occur in the nucleus of the cell during prophase.
What is the importance of meiosis?
Identify the stages of meiosven below and label them.
Draw a duplicate chromosome and label its part.
Explain the Term Zygotene
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Identify the odd one:-
The region of the chromosome where the spindle fibres get attached during cell division ______
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 ______
The female gamete/egg cell of a human cell will have ______.
