Waxy endosperm (wx), shrunken endosperm (sh), and yellow seedling (v) are encoded by three recessive genes in corn that are linked on chromosome 5.A corn plant homozygous for all three recessive alleles is crossed with a plant homozygous for all the dominant alleles.The resulting F1 are then crossed with a […]
In a cohort study that found an association between alcohol consumption and bladder cancer, 20,000 middle-aged men were asked about their drinking habits and then tracked for five years to watch for the development of cancer. Researchers asked the men about their diet and exercise habits, but not about smoking. […]
“Seek the fashion which truly fits and befits you. You will always be in fashion if you are true to yourself, and only if you are true to yourself. You might, of course, rightly wear that style which is emblazoned on the fashion magazines of the day, or you might […]
The Case: An elderly woman was cooking a meal on a gas stove. She was wearing a long sleeved blouse which accidentally caught on fire. Luckily her teenage grandson was up in his bedroom on the second floor of the house. He heard her shouts, ran downstairs and saw that […]