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प्रश्न
उत्तर
Chromosomes are the main source of chemical information which determines that the cell should become like its parent cell.
During the developmental stage they also determine that the cells of the organism will give the animal or the plant, the characteristic features of its species.
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संबंधित प्रश्न
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Chromosomes largely consist of _______________
Synthesis phase in the cell cycle is called so for the synthesis of more of
State how does meiosis maintains chromosome number in a species.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Multiple Choice Question:
The period between two successive mitotic divisions is
Name the following:
The diploid number for cell of man.
Name the following:
The pattern of arrangement of genes along a chromosome.
Nullisomy is represented by ______.
Define euploidy.
Some of the chromosomes have an elongated knob-like appendages known as telomere.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
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 ______
After a mitotic cell division, a human female cell will have ______.
The female gamete/egg cell of a human cell will have ______.
