Biology Science

Difference between Meiosis I and Meiosis II

Main Difference

The strategy of meiosis turns into essential inside the formation of the reproductive cells, and as a result of this truth a lot of needed steps turn into involved. The two getting talked about proper right here have their key variations. The time interval Meiosis I will get outlined as the first essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis and has the subsequent phases involved; prophase I, metaphase I, anaphase I and telophase I. The time interval Meiosis II will get outlined as a result of the ultimate essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis and has the subsequent phases involved; prophase II, metaphase II, anaphase II and telophase II.

Comparison Chart

Basis of DistinctionMeiosis IMeiosis II
Definition The first essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis.The ultimate essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis
StepsProphase I, metaphase I, anaphase I and telophase I.Prophase II, metaphase II, anaphase II and telophase II.
TaskForming the two haploid cells from one diploid cell present.Splitting the sister chromatids present all through the haploid cells produced all through
NatureHeterotypic divisionHomotypic division
WorkingComplex course of and takes longer.Simple course of and takes a lot much less time.

Meiosis I

The time interval will get outlined as the first essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis and has the subsequent phases involved; prophase I, metaphase I, anaphase I and telophase I. We know that it’ll get outlined as the strategy by means of which the reproductive cells get normal as a result of this truth the meiosis first half performs a giant operate in serving to acquire the obligation. Prophase I will get divided into 5 completely different phases the place the first one the chromosome coil and contract embody two chromatids that turn into blended with the help of one factor alongside the dimensions. The subsequent step helps inside the point-to-point connection between the homologous chromosome pair. The subsequent stage helps in forming the development formation known as bivalent. Chromosomes turn into thick inside the fourth half whereas the ultimate half they break and rejoin when the strategy completes. The final stage stays shorter in male and longer in female on account of compound nature. Another issue to note stays the reality that the Meiosis I turns into additional troublesome as as compared with the additional Meiosis II. All the other phases inside these two keep the equivalent aside from the movement the place two chromosomes normal all through the bivalent do not stay collectively and start transferring within the different manner. Because of this movement, each daughter cell will get the haploid number of chromosomes that may not have any particular order amongst them. These two daughter cells divide as soon as extra to form four cells, and the strategy retains repeating until the requirement exists.

Meiosis II

The time interval will get outlined as a result of the ultimate essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis and has the subsequent phases involved; prophase II, metaphase II, anaphase II and telophase II. What happens all through this half merely turns into the continuation of the first step the place the two daughter cells divide as soon as extra to form four cells which have a chromosome and produce completely completely different haploid cells. What happens all through the half goes as the first step, the place the formation of spindle fibers takes place all through the cell building. The subsequent step has the chromosomes getting aligned with each other near the plate; the third step helps in dividing the chromosomes and making them double, this helps in them transferring from the origin to the poles the place the requirement exists. The ultimate stage helps with the haploid breaking, and they convert to four, and the cell breaks from these elements as soon as they start transferring I the route given. Some completely different actions moreover occur all through the course of the place the nuclear membrane does not exist anymore all through the primary stage, the affiliation of particles stays associated to at least one one other all through the following, each chromatid turns right into a chromosome as soon as they break from the cell. The ultimate half turns into the principle focus of train when the four groups already present turn into organized and the chromosome return to the distinctive place the place they’d been at first. The number of chromosomes relies upon the number of haploids present on the time.

Key Differences

  • The time interval Meiosis I will get outlined as the first essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis, nonetheless, the time interval Meiosis II will get outlined as a result of the ultimate essential division of the nucleus of the eukaryotic cell all through the strategy of meiosis.
  • Meiosis I has the subsequent phases involved; prophase I, metaphase I, anaphase I and telophase I. On the other hand, Meiosis II has the subsequent steps involved; prophase II, metaphase II, anaphase II and telophase II.
  • Meiosis I turns into focused on forming the two haploid cells from one diploid cell present. On the other hand, Meiosis II has the obligation of splitting the sister chromatids present all through the haploid cells produced all through the primary a part of meiosis.
  • Meiosis I turns into known as a heterotypic division the place the elements get decreased whereas Meiosis II turns into known as homotypic division the place the elements preserve the equivalent.
  • The number of chromosomes stays the equivalent in Meiosis II whereas the number of chromosomes turns into half in Meiosis I.
  • Meiosis I takes place for an prolonged time on account of superior processes that comprise all through the phases whereas Meiosis II takes place for a shorter time since the entire actions preserve pure.

Video Explanation

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