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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
Name the following:
The number of chromosomes present in a nerve cell of a human being.
Give appropriate biological or technical terms for the following :
The condition in which a pair of chromosomes carries similar alleles of a particular character.
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.
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
State the difference between:
Chromosome and chromatid:
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Choose the correct answer:
Chromosomes largely consist of _______________
Choose the correct answer:
Chromosome number of man is _____________
What are chromosomes?
Draw a duplicate chromosome and label its part.
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Write the functional activity of the following structure:
Chromosome
Name the following:
Pair of genes responsible for a particular characteristic.
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 |
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
Differentiate between X-chromosome and Y-chromosome with reference to –
- length of non-homologous regions
- type as per the position of the centromere
