During what phase in the cell cycle would you find the most DNA per cell?
1. G1
2. G2
3. S
4. Prophase II
Major event that occurs during anaphase of mitosis which brings about equal distribution of chromosomes is:
1. Condensation of chromatin
2. Replication of genetic material
3. Splitting of centromere
4. Pairing of homologous chromosomes
Match the Column I with Column II –
|
Column-I |
|
Column-II |
1. |
Terminalization of chiasmata |
A. |
Zygotene |
2. |
Synapsis |
B. |
Diplotene |
3. |
Crossing over |
C. |
Metaphase I |
4. |
Dissolution of synaptonemal complex |
D. |
Diakinesis |
5. |
Best stage for the study of chiasmata |
E. |
Pachytene |
6. |
Nuclear membrane and nucleolus disappear |
|
|
7. |
Tetrads are arranged on equatorial line |
|
|
1. A – 2, B – 4,5, C – 7, D – 1,6, E – 3
2. A – 2, B – 3, C – 7, D – 1, 4, 6, E – 5
3. A – 2, B – 7, C – 3, D – 1, 4, 5, E – 6
4. A – 2, B – 1, C – 4, D – 5, 3, E – 6
Crossing over occurs just prior to
1. Pachytene
2. Diplotene
3. Diakinesis
4. Zygotene
Each pole receives half the chromosome number of the
parent cell, is true for which stage?
1. Anaphase - II
2. Anaphase - I
3. Telophase-I
4. Telophase-II
Most of the organelle duplication occurs during which
phase?
1. G1
2. G2
3. S
4. M
It begins with the simultaneous splitting of the
centromere of each chromosome, is true for which stage
of Cell division.
1. Anaphase-I
2. Anaphase-II
3. Anaphase
4. More than one
Which of the following is not related to formation of
bivalent?
1. Synapsis
2. Recombinase
3. Zygotene
4. Synaptonemal complex
In G phase of cell cycle
1. RNA synthesis stops.
2. DNA replicates.
3. Deoxyribonucleotide synthesis begins.
4. Tubulin protein synthesis takes place.
Alignment of bivalent chromosomes on the equatorial
plate and splitting of centromeres occur respectively
in which of the following stages of cell division?
1. Anaphase I and anaphase II.
2. Metaphase II and anaphase I.
3. Metaphase I and anaphase II.
4. Pachytene and telophase I.