Many are saying that scientists should not be experimenting with human life. Although an embryo is destroyed in the process of retrieving the cells‚ the research could lead to outcomes that could save many people’s lives. If the embryos are frozen and never touched again‚ then what is the point? They could be used for important medical purposes. Another concern for some people are that this cell research could
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to increase chances of a successful pregnancy. Some of these include the following; ovulation induction‚ artificial insemination‚ In-Vitro Fertilization (IVF)‚ GIFT (Gamete intrafallopian transfer)‚ Donor Eggs and Sperm‚ and Freezing of Sperm and Embryos etc. In-Vitro Fertilization or IVF is one of the most effective and well-known methods within Australia at this time. It is used to treat infertility that arises from blockages of the fallopian tubes‚ endometriosis‚ abnormal sperm‚ and some cases
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Designer Babies Bring your partner‚ grab a seat‚ pick up your baby catalog and start picking. Will you go for the black hair or brown? Would you prefer tall or short? Comical or intelligent? Boy or Girl? And do you want them to be a muscle-yielding sports aficionado? Or a slender and intelligent book worm? When you ’re done selecting‚ head to the counter and it ’s time to start creating your new child. Does this sound like a scary thought? With rapid advances in scientific knowledge of the human
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Pre-Implantation Genetic Diagnosis & how did it begin? A. Pre-Implantation Genetic Diagnosis (or PGD) is a procedure used with in-vitro fertilization and screens embryos for genetic disorders. 1. In PGD‚ a single cell from a 3-day old embryo is removed‚ fertilized in vitro‚ and then analyzed for genetic abnormalities. 2. Only the embryos that are free from the specified genetic mutation are implanted into the woman ’s uterus for conception. B. The concept of PGD is a relatively new phenomenon.
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Treatment | Why? | How? | What? | Pros | Cons | Ovulation induction(OI) | OI is used when the female fails to ovulate this may be due to different reasons. | Ovulation is stimulated by FSH and LH. OI treatment synthetically provides FSH and LH if the OI is caused by a direct problem with the ovary then OI can not be used as treatment. | 1. Clomiphene-increases FSH levels stimulates the P.gland 2. Gondatrophin given by injection increases LH and FSH levels | 1. Possibility of fertilisation
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CHAPTER 2 SEXUAL REPRODUCTION IN FLOWERING PLANTS 2.1 2.2 2.3 2.4 2.5 Flower – A Fascinating Organ of Angiosperms Pre-fertilisation : Structures and Events Double Fertilisation Post-fertilisation: Structures and Events Apomixis and Polyembryony Are we not lucky that plants reproduce sexually? The myriads of flowers that we enjoy gazing at‚ the scents and the perfumes that we swoon over‚ the rich colours that attract us‚ are all there as an aid to sexual reproduction. Flowers do not exist only
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Cloning What is cloning? The term cloning describes a number of different processes that can be used to produce genetically identical copies of a biological entity. The copied material‚ which has the same genetic make-up as the original‚ is referred to as a clone. Researchers have cloned a wide range of biological materials‚ including genes‚ cells‚ tissues and even entire organisms‚ such as a sheep. Do clones ever occur naturally? Yes. In nature‚ some plants and single-celled organisms‚ such as bacteria
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Eric Bronkhurst Prof. Robinson 10/31/06 Question #2 With technological advances of today‚ parents who are unable to substantially procreate are now given the opportunity to bear children. New techniques for procreation include Artificial Insemination‚ Surrogacy and In-Vitro Fertilization‚ all which have brought about happiness to families. Unfortunately‚ at the same time many of these new reproductive techniques may bring about ethical considerations and debates‚ causing pain and legal arguments
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from the egg shells mechanically by dry wiping with common‚ hand paper towels. Part 2: The ex ovo culture 1. After incubation for 72 hours‚ eggs are removed from the incubator 2. The top side of the eggs‚ where the embryo resides‚ is marked by marker since the embryo resists rotation to a certain extent. 3. The egg is held horizontally with the marker mark on top and cracked on the edge of an 80 mm triangular magnetic stir bar laying oriented perpendicular to the long axis of the egg
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stem cells is essentially from embryos‚ which are destroyed so the cells are taken from them. A large number of those who do oppose the research believe that the use of embryos is murder‚ since many religions such as the Catholic Church‚ believe that the embryo has a soul and so the use of embryos for stem cell research is considered murder and a sin.
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