Gene therapy is being explored as a means of permanently correcting a defective gene to cure a disease rather than to merely treat symptoms with drugs. Ideally, it would be best to correct these defective genes before a baby is even born
But if it's possible to change diseased genes, what about changing genes that regulate other characteristics, such as height or eye color? Would it be desirable to change the genes of babies for more cosmetic purposes?
The answer to this question is largely a matter of opinion. It's clear to anyone that curing genetic disorders would be of great benefit. Changing genes for cosmetic reasons is less justifiable. Benefits and risks must be weighed.
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________ was the first to identify a new form of autotrophy in which energy is obtained from oxidizing inorganic compounds called ________
A) Martinus Beijerinck / heteroautotrophy B) Martinus Beijerinck / chemolithotrophy C) Sergei Winogradsky / heteroautotrophy D) Sergei Winogradsky / chemolithotrophy
An approach in which scientists make observations about the natural world, develop tentative
explanations about what they observe, and then test those explanations by collecting more information is referred to as ____.
a. science b. education c. the scientific method d. the method e. the biological method
How do you maintain aseptic technique?
All of the following statements are true of the first law of thermodynamics EXCEPT
A) one form of energy may be converted to a different form of energy. B) the total amount of energy within a closed system remains the same. C) the amount of useful energy decreases when energy is converted from one form to another. D) the first law of thermodynamics is often called the law of the conservation of energy.