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प्रश्न
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 |
उत्तर
| 1. Autosomes | - | 22 pair of chromosome |
| 2. Diploid condition | - | 2n |
| 3. Allosome | - | 23rd pair of chromosome |
| 4. Down’s syndrome | - | Trisomy 21 |
| 5. Dihybrid ratio | - | 9 : 3 : 3 : 1 |
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संबंधित प्रश्न
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
Answer the following question in your own words.
What is meant by ‘chromosome’?
Write a sentence of the following:
Sheath
Complete the following sentence with appropriate word :
Polytene chromosomes are found in _________ of fly larvae.
State the Location: Polytene chromosome
Complete the following sentence with appropriate word:
The number of chromosomes in humans is ________.
The number of chromosomes found in human beings is ______.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Which of the following type of chromosomes has only one telomere?
The chromosomes are duplicated in ______.
