Nondisjunction produces daughter cells with an imbalance of chromosomes. A cell biologist examines the final products of meiosis in a mouse with 24 chromosomes (2n) and finds 2 gamete cells with 13 chromosomes, and 2 gamete cells with 11 chromosomes. Most likely this was because...

Q: Human cells normally have 46 chromosomes. For each of the following stages, state the number of…

A: Mitosis (Phase) Numbers of Chromosome Numbers of Chromatids Prophase 46 92 Metaphase…

Q: If a cell has a diploid number of 12 chromosomes before meiosis I and meiosis II, how many…

A: The process by which two sets of chromosomes migrate in the same pole during segregation (gamete…

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: Pretend that you are a famous scientist who has been awarded to study the duplication of chromosomes…

A: Cell division is the process of division of cell into daughter cell. The cell division can take…

Q: n-disjunction is the word we use to describe the failure of a pair of homologous chromosomes or ter…

A: Answer :: 1) Gametes are the product of meiosis which reduce the number of chromosomes to half in…

Q: Why do the cells produced by meiosis undergo two nuclear divisions but only have a haploid number of…

A: Meiosis is a cell division that occurs at the time of the formation of gametes. It is divided into…

Q: The repeat expansion appears to occur during meiosis but not mitosis. Why mightthis be true?

A: Repeat expansions refer to the duplication of a single codon extensively. They are a type of dynamic…

Q: If nondisjunction occurs in humans for one pair of homologous chromosomes during Meiosis 1, what…

A: Humans have 23 pairs of chromosomes i.e. 46 chromosomes (diploid). After meiosis, each of the gamete…

Q: A eukaryotic cell is diploid and contains 10 chromosomes (5 ineach set). In mitosis and meiosis, how…

A: Cell division is a procedure in which a parent cell divides into two daughter cells. The cell cycles…

Q: Briefly explain why there is no interphase in between Meiosis I and Meiosis II.

A: Interphase is a transition stage concerned with the growth and replication of DNA. Once meiosis…

Q: The given picture is a homologous chromosome pair that shows this behavior pachytene: a. what is…

A: Cell division is the process of division of cell into daughter cell. Generally cell divides by the…

Q: Briefly explain why sister chromatids remain together in anaphase I but separate in anaphase II of…

A: Cell is the structural and functional unit of life. When a parent cell divides into two or more…

Q: let's imagine a giraffe whose diploid is 30. 1)Under what circumstances would the giraffe go through…

A: 2n = 30    Mitosis performed under following circumstances -  development ,  growth , replacement…

Q: chromosomes in one of its somatic cells.  One of these cells goes into meiosis.  How many cells…

A: Meiosis is a reduction division which occurs in the formation of gametes that is sperms and ova in…

Q: chromosomes in the sperm cell. Assuming that his primordial sex cell has to undergo spermatogenesis,…

A: Mitosis and meiosis are the types of cell division. Mitosis occurs in the normal cells and is…

Q: meiosis

A:

Q: Draw a hypothetical cell’s chromosome configuration undergoing meiosis (show before meiosis, after…

A: The meiosis is a cell division process by which diploid (2n) mother cell divides it's nucleus twice…

Q: If nondisjunction occurs in humans for one pair of sister chromatids during Meiosis 2, what…

A: In chromosome non-disjunction, the segregation of sister chromatids is prevented. It results in a…

Q: For the following events, specify whether they occur during mitosis, meiosis I, or meiosis II:A.…

A: Chromosomes are a compact form of DNA wrapped around some proteins and are generally present in a…

Q: . Four of the following events are part of both meiosis andmitosis, but only one is meiotic. Which…

A: Mitosis is also called as somatic cell division, it is one of the type of cell division in which…

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: Phase S Phase G2 Phase M Phase G0 Phase   Synapsis occurs during ............. of meiosis…

A: Answer. During the G0 phase of the cell cycle the cells are not ready to repicate but instead…

Q: Mitotic nondisjunction can occur, particularly in tumor cells. Assume a single nondisjunction event…

A: The failure to separate homologous chromosomes or chromatids during cell division (mitosis or…

Q: 2a. For every chromosome that you got from your mother, there is a matching one which you got from…

A: The homologous chromosomes are set of one maternal and one paternal chromosomes that pair with each…

Q: The dog Canis familiaris is a diploid organism with 39 pairs of homologous chromosomes. For the dog,…

A: Cell division is of two types, mitosis and meiosis.

Q: If humans have 46 chromosomes in each of their body cells, determine how many . Sperm • Egg . .…

A: Introduction: Chromosomes are thread-like structures found in animal and plant nuclei. Protein and a…

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: After anaphase and telophase, mitosis is complete, but meiosis is not.  What are the differences…

A: The cell division is the process by which new daughter cells are generated from the original mother…

Q: Look at the chromosomes in the cell nucleus below, then mark the following statements true or false.…

A: There are two types of cell divisions that occur in all organisms: Mitosis and Meiosis. Meiosis is…

Q: 16. If a diploid cell has a total of 12 chromosomes: а. How many chromosomes did the organism…

A: In the given question, a diploid cells has a total of 12 chromosomes. Before the process of…

Q: A species has a diploid chromosome number of 6. If a cell from an individual of this species…

A: Meiosis is the cell division which consists of two two stages. First stage is the reduction division…

Q: As two students, who will be designated Student J and Student K, were studying together, they argued…

A: New cells arise from previous cells. Parent cells undergo cell division to produce new cells. There…

Q: Explain mechanisms by which two homologous chromosomes are tied with each other in metaphase I…

A: Anaphase I follows metaphase I in meiosis I where the homologs are pulled apart towards the opposite…

Q: Human cells normally have 46 chromosomes. For eachof the following stages, state the number of…

A: Mitosis is a cell division process by which the number of somatic cells in our body increases. It…

Q: From this point on, meiosis is very similar (but not exactly similar) to what happened in mitosis.…

A: Introduction In higher organism there are two types of cell divisions found, mitosis and meiosis.…

Q: Meiosis is an important cellular process for organisms that reproduce sexually. Two lab partners (A…

A: All these processes should be carried out in a regulated manner in order to ensure correct division…

Q: A prairie grass species called "little bluestem" is tetraploid. It has four complete sets of…

A: Meiosis is a type of cell division where a single cell divides twice to produce four cells…

Embryology