Q.3. How is it that the embryo sacs of some apomictic species look normal but contain diploid cells?

Q: 25) In most social insects, females (workers and queens) develop from fertilized eggs and are…

A: The conflict of interest between the queen and her worker daughters over the generation of…

Q: Which of the following describes the daughter cells produced by telophase I and cytokinesis?

A: The ploidy of a cell is the number of chromosome present in a cell. Meiosis is reduction division…

Q: In questions 13 and 14, decide whether each is an example of sexual or asexual reproduction, and…

A: Reproduction is the process that occurs in living beings. It includes the production of new…

Q: BIO 1331: Organismal Biology, Meiosis In-Class Assignment 8. What is the ploidy of this cell, now?…

A: Solution 8:The cell consist of a single set of chromosome, hence haploid in nature. Solution 9:…

Q: In a rare event, the human ovaries may release two ovum during ovulation and each ovum may…

A: Introduction  Usually there is only one embryo develops at a time in a single pregnancy but in some…

Q: Draw chromosomes in the following cells to represent the various stages of mitosis and meiosis for…

A: When a mother cell splits into two or even more new cells, this is called cell division. Normally,…

Q: Draw a whitefish blastula cell in metaphase (400x)?

A: Cell division is the process by which a single parent cell divides into two or more daughter cells.…

Q: Define the Meiosis I in an animal cell. ?

A: Cell cycle/division is a pivotal process in all living organisms and includes cell division,…

Q: Need help with question: - if a nucleus has 12 chromosomes when it begins meiosis, how may…

A: Meiosis is a mechanism in which the pair of chromosomes in a cell is reduced before reproduction in…

Q: a. Which of the following sets of genes should an "a" cell not be able to transcribe? [Select] b.…

A: The primary membrane-sure unit that carries the essential molecules of existence and of which all…

Q: 18

A: In order for organisms to grow, cells have two options: they must either replicate themselves to…

Q: Q6.8. Which of the following statements is FALSE? The nuclear envelope dissolves in metaphase and…

A: The mitosis is a cell division process by which a diploid (2n) mother cell divides and produce two…

Q: Describe how neurulation occurs. Why is it important?

A: In humans, there is only one mode of reproduction which is sexual reproduction. In this process,…

Q: Which of the following statements describes a process related to reproduction? During asexual…

A: Reproduction is the production of offspring from the parents. Since the gametes produced by parents…

Q: Compared to a somatic cell in Go, a germ cell at telophase of meiosis I has amount of DNA and number…

A: Somatic cells are cells other than germ cells of the body. They have diploid or 46 chromosomes in…

Q: 98. Which of the following processes is primarily responsible for growth of organisms? O…

A: This question is about growth of organisms.

Q: a)Draw a lily pollen grain in anaphase of meiosis II. b)How many gametes (sperm) will be in the…

A: 1) Lily pollen grain during anaphase II (n=12) 2) Pollen grain is male gametophyte of angiosperms,…

Q: What is the difference between the metaphase chromosome and telophase chromosome? Metaphase…

A: Metaphase is a stage of mitosis in the eukaryotic cell cycle in which chromosomes are at their…

Q: 16. EVOLUTION LINK Some organisms-for example, certain fungi-reproduce asexually when the…

A: The complexity of fungal reproduction reflects the variety of behaviors and genetic make-up found in…

Q: State about Homologous pairs of chromosomes during meiosis. ?

A: The sexual reproduction leads to the variation in the offspring. This is possible because of the…

Q: What are the potential implications of altered embryonic cell fate determination on the overall…

A: Embryonic cell fate determination is a fundamental process during the development of multicellular…

Q: Task: Order the events leading up to and during meiosis : Sister chromatids are separated |…

A: During meiosis one cell divides twice to form four daughter cells. Meiosis can be divided into nine…

Q: Stem cells in the skin are found in the hypodermis will divide via meiosis to become adult cells…

A: Skin stem cells are found in the adult tissue; self-renewed and differentiated by producing cells of…

Q: what is happening in METAPHASE I? Include Crossing Over and Independent Assortment when they occur.

A: In Metaphase I, the first phase of the second part of meiosis, homologous chromosomes (pairs of…

Q: 2. Compare an autohexaploid and an allohexaploid to each other with respect to the characteristics…

A: Autopolyploids  A individual that contains more than two whole copy of its own genome.

Q: By what mode of cell division would you expect sperm cells to be formed in the haploid male bee?…

A: Cell division occurs when a parent cell divides into two or more daughter cells. Cell division is…

Q: Define and compare the following terms: —Chromatid, chromosome, centromere, chromatin, karyotype,…

A: A cell is typically made up of the genetic material that is present in the nucleus of the cell. It…

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A: The zygote stage in human and other animals' embryonic development is brief, accompanied by…

Q: Draw a whitefish blastula cell in anaphase (400x)

A: Cell cycle is an order wide event takes place inside the cell in which growth as well as division of…

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A: Sex determination in drosophila melanogaster is done by balancing the male determinants on the…

Q: 1. Why is the onion root used to demonstrate mitosis? 2. Why is the Whitefish embryo used to…

A: Cells are the building blocks of the life as it is the basic structural and functional unit of…

Q: What is cyclosis?

A: Introduction - it is asking about cyclosis movement of a cell.

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Q: Consider a diploid species with a deploid number 2. Show your work and explain your part.      A.…

A: Answer: CELL CYCLE: it is an series of events in which a cell duplicates its genome and divides into…

Q: When does the embryonic genome activate in the human?

A: A genome contains all of an organism's genetic information. It is made up of DNA nucleotide…

Q: Let's compare the lifecycle of humans (diplontic) with Chlamydomonas (haplontic). Which of the…

A: The haploid gametophyte is the dominant phase in the haplontic life cycle. The diploid sporophyte is…

Q: topic: elodea   2. what do you think the purpose of cyclosis is?

A: Cyclosis is also called Cytoplasmic streaming or Protoplasmic streaming.

Q: Meio sis : A - is important in asexual reproduction 8 - halues the number of cheromosomes and cells…

A: Question -Meiosis: A - is important in a sexual reproduction B - halves the number of chromosomes…

Q: Describe how neurulation occurs. Why is it important?

A: We know that The continuation of species in the world is due to the process of reproduction; either…

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A: Cells are the basic structural and functional unit of the organism. Cell division is the process in…

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A: Introduction:- In organisms, sexual reproduction occurs by the union of male and female gametes,…

Q: Describe the changes in synthesis that occur at the end of cleavage(time point 5 corresponds to cell…

A: The cleavage is a mechanism through which the development of a multicellular organism proceeds. The…

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.