An organism has a diploid number of 16 in a primary oocyte. (a) How many tetrads are present in the first meiotic prophase? (b) How many dyads are present in the second meiotic prophase? (c) How many monads migrate to each pole during the second meiotic anaphase?

Q: An organism has a diploid number of 20 in a primary oocyte. a. How many tetrads are present in the…

A: Oogenesis is a kind of gametogenesis. It produces four haploid gametes (egg) from single parent…

Q: that a gamete underwent meiotic non-disjunction. Explain two possible outcomes for the zygote that…

A: In normal anaphase that occurs during the cell division, sister chromatids are pulled by…

Q: List two differences between meiosis I and meiosis II.

A: The meiotic division is divided into meiosis 1 and meiosis 2. Gametes required for the sexual…

Q: In which period of meiosis does the pairing of homologous chromosomes occur?

A: Meiosis is a type of cell division to produce male and female gametes, sperm and ovum. It is…

Q: What is the difference between Meiosis I and Meiosis II?

A: Meiosis is a process in which a single parent cell divides and produces four daughter cells…

Q: What is the probability that, in an organism with a haploid number of 10, a sperm will be formed…

A: Meiosis is a type of cell division where four gametes or daughter cells are produced as a result of…

Q: Why are newborns with an abnormal sex chromosome number more likely to survive than those with an…

A: Humans have a total number of 46 chromosomes that is 23 pairs of chromosomes in which 22 of them are…

Q: During which phase of meiosis does ploidy reduction occur? Does ploidy reduction occur in mitosis?

A: Ploidy reduction happens during meiosis II in the process of cell division through meiosis.…

Q: What pccurs in meiosis during telophase?

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

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: How do the stages of mitosis and meiosis occur in a specific order and never alternate?

A: The cell divides by two main process known as mitosis and meiosis.  The somatic cells divide by the…

Q: Define the Protein structure that forms between the homologous chromosomes of prophase I of meiosis…

A: The synaptonemal complex (SC) is a protein structure that forms between homologous chromosomes (two…

Q: During which stage of meiosis would you find a cell with a diploid chromosome number and homologous…

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

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: Which of the following correctly describes the gametes that will form as a result of nondisjunction…

A: When the non-disjunction occurs in Anaphase II of meiosis II process then this indicates that one…

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: How many chromosomes does each of the daughter cells have at the end of meiosis. Are the daughter…

A: Cell cycle: - it is a series of changes occur in a newly divided cell through which it duplicates…

Q: What are the parts of cell involved during meiotic division? Specify the parts during prophase,…

A: Introduction :- A cell must first go through interphase before entering meiosis I. The cell grows…

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: What are the periods of the first meiotic division?

A: Meiosis could be divided as meiosis-I and meiosis-II. Meiosis-I is the reduction division and…

Q: In experiment of Following chromosomal DNA movement through meiosis, what is the trial 1 and trial 2…

A:

Q: Dogs have 78 chromosomes in their diploid cells. If a diploid dog cell enters meiosis, how many…

A: chromosomes and chromatids will be present in each daughter cell at the end of meiosis I :

Q: Within the sperm and egg cells of a frog, there are 13 chromosomes.  What would be the diploid #?

A: A frog gamete has 13 chromosomes.

Q: Male honeybees, which are haploid, produce sperm by meiosis.Explain what unusual event (compared…

A: Meiosis is the reduction division type of cell division in which the original number of chromosome…

Q: The period between meiosis I and meiosis II is called interphase II.Does DNA replication take place…

A: DNA replication is a complex process in which DNA makes an exact copy of itself. It takes place in…

Q: Which phase is the shortest and the longest in "meiosis"?

A: Meiosis is a kind of cell division that takes place in sexually reproducing organisms which results…

Q: In which meiotic division does the separation of identical chromatids occur? After the end of this…

A: Meiosis occurs in two steps known as meiosis-I and meiosis-II. Meiosis-I is the reduction division…

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: What are the 8 stages of meiosi

A: Meiosis is a type of cell division in which the parent cell divides twice into four daughter cells…

Q: What separate during meiosis I? What separate during meiosis II?

A: Goals in meiosis using a two step division process.

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: t are the 8 phases of meiosis?

A: All organicism has two types of cells: somatic cells, which undergo mitosis and are responsible for…

Q: at what point in meiotic cell division would nondisjunction occur?

A: All living organisms are made up of cells. The cells are the basic structural and functional unit of…

Q: In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes “cross…

A: Meiosis includes two cycles of nuclear division and only one cycle of DNA replication. The result of…

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: 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: During meiosis in male mammals, sex chromosomes segregate to produce two types of sperm: X‑bearing…

A: In mammals sex determination is male heterogametic type in which the male produces two types of…

Q: During the prophase 1 portion of meiosis what happens?

A: Meiosis is a type of cell division that reduces the chromosomal number to half that of the somatic…

Q: A) At the end of meiosis I, how many chromosomes are in each cell? B) Are the cells haploid or…

A: Cell division is a biological process that results in the production of two or more daughter cells…

Q: Trisomy 21, or Down's syndrome, is the result of which event occurring during the meiotic process?

A: Ans. A nucleus, where genetic material is contained in genes, is located on every cell in the human.…

Q: gametes (egg or sperm cells), where in the body would you expect this cell to be located?

A: Gamete production takes place for sexual reproduction.

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: Consider three pairs of homologous chromosomes with centromere labeled A/a, B/B, C/c. How many kinds…

A: Meiosis is the process in which the germ cells for sexual mode of reproduction is formed. This…

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: what event takes place during meiosis prophase (as opposed to mitosis prophase) that makes it…

A: Cell division is splitting phenomenon which comprises of splitting of parent cell and results in…

Q: How is anaphase II different from anaphase I in meiosis?

A: The type of cell division in which the chromosome number is reduced to half is termed as meiosis.…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.