EBK BIOLOGY
5th Edition
ISBN: 9780133954425
Author: Maier
Publisher: YUZU
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Chapter 9, Problem 1CTS
Summary Introduction
To analyze:
Human cloning could be as common as the in vitro fertilization now, or in future.
Introduction:
The in-vitro fertilization is a technique, in which the fertilization occurs outside the fallopian tube and outside the body of mother. The cloning is the technique of creating genetic identical individuals or humans.
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Cloning is the process of creating genetically identical organisms. One simple method of cloning is called artificial embryo twinning. In this process, an early stage embryo is separated into two groups of cells. Each group of cells is then allowed to develop. The embryos are then implanted into the surrogate mother. Each embryo is genetically identical to the other. Some pregnancies in humans have a similar result.
Explain how identical twins are formed.
Compare and contrast the natural formation of identical twins to the artificial embryo twinning process.
Explain how the formation of identical twins or the process of artificial embryo twinning differs from the formation of fraternal twins.
5) Below is an image that shows both reproductive and therapeutic cloning. Use this image to answer compare and contrast therapeutic and reproductive cloning. Are they used for similar means…etc. Once you have done that answer the question below.
a) There are two types of therapeutic cloning. What are they and how are they different?
How might the study of therapeutic cloning benefit scientific studies of reproductive cloning?
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- Dolly is the first mammal to have been successfully cloned from an adult cell Which of the following statement/s is/are most relevant to the birth of Dolly? I. It suggests that human could be cloned. II. It proves that specialized cells could be used to create an exact copy of the animal they came from. III. It improves the production of milk, meat, and other products from livestock. IV. It proves that animals could be cloned to have gene mutations that help scientists study diseases that develop in the animals. A. II only B. I and II C. III, and IV D. II, III, and IV Which of the following statements best explain the significance of mitosis and ? A. Both mitosis and meiosis produce diploid cells which responsible for the continuity of life. B. Many single-celled organisms rely on mitosis and meiosis as their primary means of asexual reproduction C. replication, cells have another interesting choice, whether they want to make an identical copy, or do they want to make four half-copies…arrow_forwardDo 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?arrow_forwardThe following diagram outlines how the process of cloning a sheep was accomplished. Cloning is the process of creating a genetically identical copy of another individual. With Dolly, the first cloned mammal, an egg cell was removed from a donor (B) and the nucleus was removed from the egg cell. Then cells from a sheep's mammary gland were removed from a second donor (A). The nucleus of one of the cells from the mammary gland was fused with the enucleated egg cell using an electrical pulse. The fused cell underwent cell division and at the blastocyst stage was implanted into a surrogate mother sheep. The fused cell is cultured and is implanted as a multi-celled embryo. During the step where the fused cell begins dividing normally, the cells of the future clone undergo Select one: a. fertilization b. meiosis c. mitosis d. gene splicingarrow_forward
- The following diagram outlines how the process of cloning a sheep was accomplished. Cloning is the process of creating a genetically identical copy of another individual. With Dolly, the first cloned mammal, an egg cell was removed from a donor (B) and the nucleus was removed from the egg cell. Then cells from a sheep's mammary gland were removed from a second donor (A). The nucleus of one of the cells from the mammary gland was fused with the enucleated egg cell using an electrical pulse. The fused cell underwent cell division and at the blastocyst stage was implanted into a surrogate mother sheep. The percentage of genetic material that Dolly (the clone) had in common with Donor A is Select one: a. 25% b. 50% c. 100% d. 0%arrow_forwardThe story of Dolly the sheep remains as a major breakthrough in the field of science as the first mammal to have been cloned from adult cell. Dolly was born on July 5, 1996 at the Roslin Institute in Scotland and live up to six years when she was put to sleep on February 14, 2013 by euthanasia (retrieved from https://dolly.roslin.ed.ac.uk on August 25, 2021). Looking at these things and beyond from your own perspectives, what lessons can you draw from Dolly the sheep in the context of science?arrow_forwardCloning is a general term used for whole organisms and DNA sequences. Define what we mean when we say we have a clone.arrow_forward
- There are many applications of cloning technology. List the applications that you think are most acceptable and those that are least acceptable. Explain your reasoning.arrow_forwardIn the reproductive cloning of an animal, the genome of the cloned individual comes from ________ a. a sperm cell b. an egg cell c. any gamete cell d. a body cellarrow_forwardFor each of the following scenarios, indicate Yes (it is cloning) or NO (it is NOT cloning) _____________________Sperm taken from a mole goat is combined with a female’s egg in a petri dish. The resulting embryo is implanted into the female’s uterus to develop. _____________________A sheep embryo, composed of 17 cells, is removed from the mother’s uterus and separated into individual cells. Each cell is allowed to multiply, creating 16 separate embryos, which are then implanted in different female sheep to develop to maturity. _____________________A cow with many desirable traits is stimulated with hormones to produce a number of egg cells. Each of these eggs is fertilized and implanted into a surrogate mother. _____________________In vitro fertilization _____________________Cell nuclei from an extinct wooly mammoth are placed into enucleated cow cells.arrow_forward
- Do all of them True/False 31) The process by which an electrical charge is used to introduce DNA into a cell to produce a transgenic organism is called electroporation.Answer: 32) Reproductive cloning is used to produce large amounts of mammalian proteins from transgenic agricultural animals such as cattle.Answer: 33) In gene addition, homologous recombination is used to remove the original gene and replace it with the cloned gene.Answer: 34) All stem cells have the potential to differentiateAnswer: 35) A bone marrow transplant involves the transfer of multipotent stem cellsAnswer: 36) The fact that in mammalian systems multiple genes may compensate for the loss of a gene is called gene redundancy.Answer:arrow_forwardDo you feel CRISPR or other technologies are appropriate for use in human embryo’s? Why or why not? In what situations might this be acceptable to you?arrow_forwardFill in the following with the correct words about cloning (the first blank will be the first word and the second blank will be the second word. There are two types of cloning, the first is when scientists change the cellular function this is called cloning and can help with creating insulin and vaccines to name a few. The other type is when DNA is extracted from a somatic cell and is used to replace DNA in an egg, this is called cloning. O gene, organism O organism, gene O specific, general O micro, macroarrow_forward
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