Therapeutic cloning is a process of producing embryonic stem cells that could possibly be used to grow healthy tissues and organs. The process involves the removal of the nucleus from a mature somatic cell and injecting this nucleus into an unfertilized egg. The egg then begins to divide and, after four to five days, embryonic stem cells begin to form. These embryonic stem cells are unique in that they can develop into different types of tissues, and scientists believe they can direct the cells to develop into specific tissue types that they choose. What are some possible applications of therapeutic cloning? Explain your answer. BIU E I

Therapeutic cloning is a process of producing embryonic stem cells that could possibly be used to grow healthy tissues and organs. The process involves the removal of the nucleus from a mature somatic cell and injecting this nucleus into an unfertilized egg. The egg then begins to divide and, after four to five days, embryonic stem cells begin to form. These embryonic stem cells are unique in that they can develop into different types of tissues, and scientists believe they can direct the cells to develop into specific tissue types that they choose. What are some possible applications of therapeutic cloning? Explain your answer. BIU E I

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter17: Developmental Genetics

Section17.3: Cancer And Cell Development

Problem 8LO

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A controversial issue, closely related to cloning, that has caused a lot of debate is the use of embryonic stem cells. One possible application of these cells is that they may be able to supply replacement tissues to treat diseases such as Parkinson's disease, diabetes, paralysis due to spinal cord injuries, and other degenerative diseases. The word "embryonic", has caused fierce opposition to this type of research because embryos are destroyed when the stem cells are removed. Questions that have surfaced in this debate include: When a cell nucleus is transferred to another cell, have we created life? Does a stem cell have the same status as a human? What should be done with the embryos that are leftover at in vitro fertilization (IVF), clinics? Advocates argue that the medical benefits of stem cell research would be enormous. Opponents argue that life begins at conception and thus this type of research is abortion. Based on what you have read, explain why you are for or against stem…
New treatments for several conditions are being developed using stem cells in medical waste, such as biopsy material, teeth, menstrual blood, umbilical cords, and fatty tissue removed in liposuction. For example, fat samples from injured horses are used to grow stem cells to treat tendon injuries. Explain how the two defining characteristics of stem cells enable them to be used to replace damaged or diseased tissue, so that the new tissue functions as opposed to forming a scar.
_____________ stem cells are capable of differentiating into nearly all cell types, while _________________ stem cells can only differentiate into a limited number of cell types.
The somatic stem cells are derived from source such as_________.a) Bone marrow, embryos, amniotic fluid and umbilical cord b) Embryos, bone, knee, foetus c) Bone marrow, fluid, umbilical cord, joint cells d) Embryo, foetus, umbilical cord, fluid.
Explain the difference between asymmetric and symmetric cell division. When the pool of stem cells for a particular tissue needs to expand, which of these two cell division mechanisms is utilized?
Which of the following cell types would you expect would grow and divide continuously if given sufficient nutrients and mitogens (select all that apply)? A. Carcinoma cells from a liver biopsy B. Embryonic Stem Cells C. Normal human liver cells D. HeLa Cells E. Brain cells from mice
In a multicellular organism, cells undergo mitosis to produce all the cells of the organism. Each of the cells has identical DNA. How do cells in this organism differentiate, meaning develop variations in forms and functions? Discuss DNA and gene expression in your answer.
I am confused about how stem cell transplants works. If you put a semi differentiated tadpole nucleus in a denucleated egg cell, it’ll develop into a fully formed tadpole, but if you put a fully differentiated tadpole nucleus, it won’t (because the genes have already been expressed in a way where the cytoplasmic determinants cannot operate to the fullest). Then how come in stem cell transplants, you use adult nucleuses that are already developed and transplant them into the denucleated egg cells?
Do a few cells created by therapeutic cloning of your own somatic cells constitute life? If these cells do constitute life, do they have the same rights as a human being conceived naturally? If it were possible, should someone be allowed to grow his or her own therapeutic clone into an adult?
During a routine check-up, a woman is informed by her doctor that she has developed a skin tumor. Although the woman is distraught, the doctor assures her that this is a benign tumor that will not spread to other parts of her body . Apparently, the mutation that led to the development of the tumor arose in one skin cell. After the skin tumor diagnosis, the woman and her male fiance ( who has not been diagnosed with a skin tumor) wonder whether they should start a family What is true? O All of the woman's children will inherit the mutation O All of the woman's children will inherit the mutation if the mutation is dominant O None of the woman's children will inherit the mutation © Some of the woman's children may inherit the mutation depending on which of her chromosomes they inherit
Describe two primary lines of cells that arise from stem cells, and are still considered immature.
Your friend can't understand how it is possible to combine a somatic cell from their pet with an oocyte from a different animal and create a clone of their pet. Won't the animal that develops be the offspring of the two animals rather than a clone of the animal that donated the somatic cell? Explain to your friend why this is not the case.