.... grown and crossed (Campbell, 1996). Mendel wanted to know the genetic basis for variation among individuals and what accounted for the transmission of traits from generation to generation. Mendel followed traits for the P generation, F1 generation, and F2 generation. The P generation is the original true-breeding parents. Their hybrid offspring is the F1 generation, the first filial. The F2 generation is the second filial and is the self- pollination of the F1 hybrids. It was predominantly his research on the F2 generation that led to Mendel’s Law of Segreg .....

.... column chromatography (CG), and IR spectra analysis in order to determine the what proportions of each of these compounds will be present in the final product. Both TLC and CG are excellent methods of measuring the presence of a given substance. Both methods turn around a compounds polarity. As one recalls, polarity is a measure of the electronegativity of a compound determined by their placement in the periodic chart. Specifically, in this lab we are talking about the difference in polarity between the atoms of oxygen and carbon. Ferrocene is relatively lo .....

.... hopelessness and helplessness. Some of the symptoms of a depressive episode include anhedonia, disturbances in sleep and appetite, psycomoter retardation, loss of energy, feelings of worthlessness, guilt, difficulty thinking, indecision, and recurrent thoughts of death and suicide (Hollandsworth, Jr. 1990 ). The manic episodes are characterized by elevated or irritable mood, increased energy, decreased need for sleep, poor judgment and insight, and often reckless or irresponsible behavior (Hollandsworth, Jr. 1990 ). Bipolar affective disorder affects approximate .....

.... into the bike are unbalanced forces. The car should start to move. The car might accelerate to two miles per hour. Now we would all assume that the car would come to a stop sometime. We assume this because it is true. It is true because there is friction between the tires and the road. The car now has inertia in uniform motion. Since there is friction, the car cannot keep moving forever because friction is an unbalanced force acting upon the tires. What if there was not any friction? The car would keep going forever. That is if there was not any wind .....

.... this disease develops uncontrolled movements and may have problems with coordination, thinking, and judgment. A weakening of the nerve cells in the brain causes these symptoms and later results in death. Another single-gene disorder is the Tay Sachs Disease. People who inherit the faulty Tay Sachs gene lack a crucial enzyme that is needed to break down fatty substances in brain and nerve cells. As a result, these substances build up in such large quantities that the central nervous system gradually stops functioning and the person dies. Symptoms .....

.... three or four, thechances of a successful pregnancy would increase significantly"(Elmer- Dewitt 38). The experiment the scientists performed is the equivalent of a mother producing twins. The process has been practiced and almost perfected in livestock for the past ten years, and some scientists believe that it seems only logical that it would be the next step in in-vitro fertilization. The procedure was remarkably simple. Hall and Stillman "selected embryos that were abnormal because they came from eggs that had been fertilized by more than one sperm" ( .....

.... keeps the dolphin warm and stores food. It is also think that the blubber helps them to stay afloat, since it as lighter then water. have distant cautious that make them direct the other whales, most dolphin species have a distinct beck where as porpoises have a more rounded shape to there head. They also have a hooked-shaped dorsal fin not fend in other specious, as will as conical teeth. Erans explains that evolved from the Mesonychicsi, large land mammals and the earliest recognizable cetaceans lived about 50 million year ago. The earliest did not appear .....

.... pain. Studies suggested this therapy is applied to conditions such as ulcers, traumatic or burn wounds, osteoarthritis, and cancer. Electrical stimulation is simply the application of electrical pulses to the body, whether it is for function or therapy. The classical and common example is that of the cardiac pacemaker. The range of clinical uses of electrical stimulation has and is growing wider and includes: pain relief (often known as TENS - Transcutaneous Electrical Nerve Stimulation), maintaining or increasing range of movement, muscle strengthening, facil .....