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प्रश्न
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संबंधित प्रश्न
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
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:
Centromere is related to ________
Choose the correct answer:
Chromosome number of man is _____________
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Duplicated chromosomes are joined at a point termed ______.
Multiple Choice Question
Chromosomal aberrations are caused by:
Very Short Answer Question.
What is allosome?
With the help of a neat labelled diagram, describe the structure of chromosome.
Long answer type question.
Describe the different types of chromosomes.
Describe the structure of sex chromosomes with the help of labelled diagram.
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 |
Explain the structure of a chromosome.
In higher unisexual animals, one pair of chromosomes is not identical in two sexes. It is called as ______.
The female gamete/egg cell of a human cell will have ______.
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
Distinguish between the following pair:
Karyotype and Karyokinesis
