Describe the background and basic issue of designer babies

1 answer:

4 0

The first designer baby was created in the U.S. in 2000. Doctors used screening techniques to test the embryos of Lisa and Jack Nash. They chose the embryos that would be an exact cell match to their daughter Molly. Molly suffers from a genetic disorder called Fanconi Anemia which causes bone marrow deficiency. The embryo selected did not carry the disease and was a perfect tissue match. As a result, Adam Nash was born in August after Mrs. Nash underwent four IVF cycles. Stem cells were collected from his umbilical cord to be donated and used to replace Molly's bone marrow. (Baby created to save older sister)Since the creation of Adam, many more couples have created their own designer baby to save their sick child or prevent their offspring from inheriting a certain genetic disease.

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Multiple sclerosis and atherosclerosis are similar in that they both refer to:

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The conditions mentioned are both a type of sclerosis, which refers to the hardening of a certain anatomical feature.

In atherosclerosis, the affected anatomical feature is the artery. This is a condition that causes the obstructions of blood flow through the artery as a result of plaque buildup along the artery walls. Unlike with MS, atherosclerosis does not present symptoms until the obstructions are severe or the plaque loosens, which can lead to heart attacks, among other consequences.

In the case of Multiple Sclerosis, the affected anatomical structure is that of the nerve. This is a condition for unknown reasons, causes the immune system to attack the myelin covers of nerve cells which act to protect the cell. The absence of this cover causes the build-up of plaque along the nerve axon, stiffening and disrupting the communication of the nerves with the central nervous system.

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The data shown above is a life table for the female Belding ground squirrel in the Sierra Nevada

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377

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you plus 252and 125 together and you will get 377

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