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Question
Solution
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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RELATED QUESTIONS
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
Name the following:
The number of chromosomes present in a nerve cell of a human being.
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Chromosomes are thin and thread like at __________
Choose the correct answer:
Sex of an individual is determined by ____________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
What are chromosomes?
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Name the following:
Pair of genes responsible for a particular characteristic.
Multiple Choice Question
Chromosomal aberrations are caused by:
Compare X chromosome and Y chromosome.
Identify the odd one:-
The region of the chromosome where the spindle fibres get attached during cell division ______
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
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 |
