what event takes place during meiosis prophase (as opposed to mitosis prophase) that makes it possible for crossing-over to occur?

Q: In meiosis, after telophase I, do other cells (comparing one another) have the same combination of…

A: Cell cycle consists of stages of cell growth and reproduction. In M phase of cell cycle, cell…

Q: List the differences between Prophase of mitosis and Prophase I of meiosis. How do these differences…

A: A cell cycle is a series of events that take place in a cell as it grows and divides into two…

Q: what part of interphase II is crucial in meiosis for the producttion of haploid cells?

A: During the formation of haploid cells or gametes, the process of meiosis occurs twice (Meiosis I and…

Q: Why do you think that organisms do not use the first steps of meiosis (up to and including meiotic…

A: Cell division is the cycle by which a parent cell separates into at least two daughter cells. Cell…

Q: What is crossing over, when does it occur and what is its importance?

A: A chromosome is an organized package of DNA found in the nucleus of the cell. Different organisms…

Q: If there are 9 chromosome pairs, how many univalents are there at anaphase?

A: The chromosomes are found in eukaryotic cells that is the compact form of DNA. The DNA with histone…

Q: During meiosis I, assuming no crossing over, what chromatid combination(s) will be present at the…

A: Meiosis is the cell division of germ cells to produce gametes (sperm or egg cells) in sexually…

Q: Crossing-over occurs in what stage of meiosis? O telophase II O telophase I O prophase I O prophase…

A: According to Bartleby guidelines, we are required to attempt first question in case of multiple…

Q: What phase of meiosis explains the chromosome theory of inheritance and the law of segregation? O…

A: "Inheritance" is the process through which a child gets genetic information from his or her parents.…

Q: what is the benefit of crossing over?

A: REPRODUCTION:- It is the production of offspring from the parents. It is of two types:- 1)Asexual…

Q: What is crossing over? In which period of meiosis does this event occur?

A: Introduction - Crossing over is a biological event in which chromosomes of the same kind line up…

Q: if during normal division meiosis I does not occur, will meoisis II still proceed?

A: Meiosis This process involves the division of a single cell twice to form four haploid daughter…

Q: If a diploid a 40 pair of chromosomes, what is the chromosome number by the end telophase?

A: Introduction: Cell cycle is an ordered sequence of events occurring in a cell. Cell cycle results in…

Q: What causes chromosomal rearrangements?

A: Chromosomes carry the genetic material DNA. Gene is a segment of DNA. The necessary information for…

Q: Which event occurs only during prophase I of the first meiotic division?

A: A parent cell splits into two or three daughter cells in the course of cell division. Normally, cell…

Q: If a diploid cell entering meiosis has 12 chromosome pairs, what is the number of possible…

A: Meiosis is a process of cell division, where cell divides twice to produce four daughter cells which…

Q: Assume that the diploid number of a certain species is four chromosomes, two large and two small…

A: The metaphase phase is the third phase of mitosis cell division which involves separation of…

Q: If an organism has a haploid number of three, how many tetrad structures will align on the…

A: If an organism has a haploid number of three, how many tetrad structures will align on the…

Q: How would Shugoshin does not break down after anaphase I of meiosis affect the outcome of mitosis or…

A: Shugoshin is a protein that guides the chromosome cohesion during the process of cell division.…

Q: How does the random alignment of homologous chromosomes during metaphase I contribute to the…

A: MEIOSIS - It is defined as a process where two ( diploid ) parent cells gives rise to four daughter…

Q: . When a cell of genotype A/a ; B/b ; C/c having all thegenes on separate chromosome pairs divides…

A: In the process of mitosis, the daughter cells that are produced will have the same genotype.

Q: What kind of chromosomal mutations is/are produced by unequal crossing over?

A: Mutation refers to both the process of altering a gene or chromosome and the outcome of that…

Q: Where do centromeres dissolve in meiosis?

A: Meiosis is a kind of cell division occurring in the germ cells of the body that gives rise to four…

Q: How did the cessation of crossing-over contribute to the disparity between the X and Y chromosomes?

A: Crossing over is a process where two homologous chromosomes exchange their genetic material to…

Q: If an organism has 15 pairs of homologous chromosomes, how many chromosomes will each daughter cell…

A: Mitosis: Some cells in the skin, embryo, gut divide constantly and there are few cells that divide…

Q: The diploid chromosome number of an organisms is 8. How many of each of the following are present in…

A: Every organism has a fixed number of chromosomes. The number of chromosomes remains constant for a…

Q: How is the interval between the two meiotic divisions different from interphase?

A: Mitosis and meiosis are the two ways that cells divide and reproduce.

Q: In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each…

A: Meiosis: Reductional division  2n (diploid) => meiosis => n (haploid) Mitosis: Equational…

Q: How mang sister chromatids are found in a single human cell undergoing Prophase II of Meiosis?

A: Meiosis is a reduction division. Number of chromosomes gets reduced by half in daughter cells.…

Q: What is crossing over?

A: Meiosis cell division is divided into two stages. Meiosis I or reductional cell division reduces the…

Q: At what stage of meiosis (I or II) does crossing-over occur?

A: Crossing-over is a process that occurs during meiosis (I or II) whereby homologous chromosomes…

Q: In a diploid cell for which 2n = 20, how many chromosomes will be present in daughter cells after…

A: Cell division forms a significant part of the cell cycle. During cell division, the parental cell…

Q: What is crossing over? How is meiosis related to this phenomenon?

A: Linked alleles, such as A-b and a-B, combine to form the gametes A-b and a-B, which are responsible…

Q: A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing…

A: When the DNA molecule is well organized and packaged into thread-like structures in the nucleus of…

Q: What are chromosomal islands? Why are theyconsidered to be of foreign origin?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: During meiosis, does random assortment occur before or after crossing-over?

A: Meiosis is the cell division that includes meiosis I and meiosis II without any DNA replication…

Q: Is there homologous chromosome pairing in mitosis? and in meiosis? Explain.

A: Homologous chromosomes are paired chromosome, which have the same gene sequence, loci, centromere…

Q: If the image represents a meiotic cell, what will happen to the DNA represented in Box 1 after…

A: Answer: MEIOSIS : It is the cell cycle occurs mostly in the germ line cells, where parent cells…

Q: is the same chrosome type of the parent and daughter cells after mitosis an indication that they are…

A: Cell division It is the process through which new cells are produced. It involves two different…

Q: An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B •…

A: Translocation is caused Due to separation of a chromosome segment and its union to a non-homologous…

Q: Suppose that after fusion the resultant diploid cell underwent mitotic cell division instead of…

A: Cell division occurs when a parent cell splits, resulting in the formation of two or more daughter…

Q: What process occurs when genes swap position on a chromosome during meiosis, as in the case of Cru…

A: Meiosis is a cellular process where a single cell divides two times to produce four cells containing…

Q: Why are the homologous regions of the X and Y chromosome important during meiosis?

A: One of the defined types of cell divisions characterized by the occurrence of two rounds of division…

Q: What event/s during meiosis is simulated by the flipping of the coin? Explain these events briefly.

A: Meiosis is a sort of cell division that occurs in sexually reproducing creatures' germ cells and is…

Q: there are 9 chromosome pairs, how many univalents are there at anaphase I on each pole?

A: Anaohase 1 is the  stage of meiotic first division in which the paired chromosome separates and move…

Q: What would be the consequences to the outcome of meiosis if SPO11 is absent? Explain your reason.

A: Meiosis is a type of cell division that produces four gamete cells by halving the number of…

Q: what is Meiotic Nondisjunction?

A: Meiosis is also known as a double division that occurs in a diploid cell and gives rise to four…

Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…

A: Translocation in chromosomes refers to the abnormal chromosomal rearrangement. It could be a…

Q: When is the only time crossing over can occur?

A: The cell cycle is the orderly series of events that allows a cell to grow and divide forming…