Meiosis
Meiosis: Overview
This Topic covers sub-topics such as Meiosis, Crossing Over, Significance of Meiosis, Pachytene, Leptotene, Zygotene, Diplotene, Diakinesis, Zygotic Meiosis, Second Meiotic Division, Prophase-I, First Meiotic Division, Gametic Meiosis and, Metaphase-I
Important Questions on Meiosis
Conservation of specific chromosome number of each species is achieved across generations in sexually reproducing organisms is done by:
Which one of the following processes results in the production of recombinants in future generations?
(i) Mutation
(ii) Independent assortment during meiosis I.
(iii) Independent assortment during meiosis II.
(iv) Crossing over of bivalents.
The process of meiosis is significant for:
a) Maintaining the same chromosome number across generations.
b) Increase the genetic variability in a population.
c) Producing diploid offspring.
d) Asexual reproduction.
Select the incorrect match from the following options:
Select the incorrect statement with respect to interkinesis.
If the pollen grain of a plant has 40 pg of DNA in its nucleus then how much DNA would a cell of the same organism have in metaphase-I of meiosis?
After telophase I, dyad of cells are obtained with each cell having
What is the shortest phase in prophase-1?
56 cells are produced in meiosis where the first division is:
Match the following lists:
| List-I | List-II | ||
| (A) | Anaphase I | (I) | Diad of a cell is formed |
| (B) | Telophase I | (II) | Haploid daughter cells are formed |
| (C) | Anaphase II | (III) | Homologous chromosomes get separated |
| (D) | Telophase II | (IV) | Splitting of centromere in the chromosome |
The corret match is:
Does synapsis or crossing over occurs between X and Y chromosome?
The relation between chiasmata and recombination nodule is
Why are there haploid cells in meiosis compared to diploids in mitosis?
Why does meiosis form haploid cells only?
All of the following statements are correct except:
The following diagram shows modification of the meiosis II for storage. Identify A, B, C and D given in the diagram.
Which of the following statement is correct for meiosis?
