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Question
Define the following term:
Chromatid
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Solution
After duplication, a chromosome has two identical sections. A chromosome is formed during cell division by the union of two chromatids.
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
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes largely consist of _______________
Choose the correct answer:
Telocentric chromosomes are _________________
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
How does colchicine act as mitotic poison? Is there any advantage of it?
Name the following:
Microtubules form the bipolar spindle in which stage.
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Give Technical Terms
The phase of meiosis at which homologous chromosomes are separated.
Multiple Choice Question:
After mitotic cell division, a female human cell will have
Name the following:
The pattern of arrangement of genes along a chromosome.
The number of chromosomes found in human beings is ______.
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 |
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
Define the following term:
Chromosome
