-
WEBSITE
In which stage of Meiosis I does synapsis occurs? - Toppr
In meiosis I, synapsis formation occurs in the zygotene stage of prophase-I. It is the second stage of prophase-I. During this stage, the chromosomes start pairing together and this process of association called synapsis. Such paired chromosomes are called homologous chromosomes.
Do more...
Share, comment, bookmark or report
-
WEBSITE
Which of these statements is true of meiosis? - Toppr
Meiosis is a reduction division, where the number of chromosomes in the daughter cells is reduced to half as compared to the parent cell. This set of chromosomes is called a haploid set or genome. The reduction from diploid to haploid occurs during Anaphase I of meiosis I, where homologous chromosomes separate and enter into two different cells.
Do more...
Share, comment, bookmark or report
-
WEBSITE
Why is meiosis called reduction division? Describe the various ... - Toppr
During meiotic division variations occur due to crossing over between maternal and paternal chromosomes or the homologous pair during Prophase I of meiosis I. 3. Further the random combinations of maternal and paternal chromosomes during Anaphase I leads to a distinct chromosomal composition in all the 4 daughter cells.
Do more...
Share, comment, bookmark or report
-
WEBSITE
Describe meiosis. Draw labelled diagram of any two phases. - Toppr
Meiosis involves two separate cell divisions, called Meiosis I and Meiosis II. (1) Meiosis I: Reductional division: Meiosis I results in a reduction of chromosomes to half with the formation of two haploid cells. It takes place in four phases, i.e., Prophase, Metaphase, Anaphase and Telophase. ∗ Prophase-I.
Do more...
Share, comment, bookmark or report
-
WEBSITE
Define:-a) Mitosis andb) Meiosis - Toppr
Solution. Verified by Toppr. Mitosis- a type of cell division that results in two daughter cells each having the same number of chromosome as that of the parent nucleus. Takes place in somatic cells, responsible for growth, replacement and repair. Meiosis- Meiosis is a type of cell division that reduces the chromosome number by half, creating ...
Do more...
Share, comment, bookmark or report
-
WEBSITE
Meiosis: Videos, Concepts, Definition, Phases and Solved Questions - Toppr
Meiosis starts with duplication of chromosomes. Then the parent cell undergoes two rounds of nuclear divisions (meiosis I and meiosis II). Thus in an overall meiosis process, four daughter cells are produced from the parent cell. However, before entering the stages of meiosis the parent cell go through a phase called interphase. Similar to ...
Do more...
Share, comment, bookmark or report
-
WEBSITE
Meiosis vs Mitosis – Definition, Function, Purpose, Phases - Toppr
Meiosis vs Mitosis. Cells are the building blocks of life. Whether it is a single-cell organism or a multicellular one. But to keep life going, cells must multiply, to heal or reproduce. The two main ways of cell division are Mitosis and Meiosis. Read below to have a complete idea of the processes of meiosis vs mitosis. Mitosis Definition
Do more...
Share, comment, bookmark or report
-
WEBSITE
Explore the Difference Between Mitosis And Meiosis - Toppr
Meiosis refers to when daughter cells produce. Thus, we see that the only cells undergoing meiosis turn into sperm or eggs. Moreover, the meiosis comprises of meiosis I and meiosis II. Further, the homologous chromosome separates into different nuclei in meiosis I. On the other hand, in meiosis II, the chromatids separate into separate nuclei.
Do more...
Share, comment, bookmark or report
-
WEBSITE
What is the significance of meiosis? - Toppr
Meiosis is the process by which sexually reproducing organisms make their sex cells, sperm and eggs. During meiosis, a specialized cell called a germ cell splits to make four new sex cells, each with half the number of chromosomes as the original germ cell.
Do more...
Share, comment, bookmark or report
-
WEBSITE
The paradox of meiosis is - Toppr
(A) Meiosis involves two sequential cycles of each event, i.e., DNA replication and nuclear division. (B) Meiosis involves pairing of homologous chromosomes and recombination between them. (C) Four haploid cells are formed at the end of meiosis-I. (D) Meiosis ensures the production of haploid phase in the life cycle of sexually reproducing ...
Do more...
Share, comment, bookmark or report
Comments