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Traits Traits and Offspring • Distinguish between a trait and a behavior • Describe the similarities and difference in appearance and behaviors of some parents and their offspring Inherited Traits and Acquired Characteristics •Understand the meaning of traits and be able to differentiate between inherited traits and acquired characteristics Traits in our Classroom • Explore various traits that are passed down from parent to offspring Traits and Offspring • Distinguish between a trait and a behavior • Describe the similarities and difference in appearance and behaviors of some parents and their offspring Inherited Traits and Acquired Characteristics •Understand the meaning of traits and be able to differentiate between inherited traits and acquired characteristics Traits in our Classroom • Explore various traits that are passed down from parent to offspring
How tiny variations in our personal DNA can determine how we look, how we behave, how we get sick, and how we get well. News stories report almost daily on the remarkable progress scientists are making in unraveling the genetic basis of disease and behavior. Meanwhile, new technologies are rapidly reducing the cost of reading someone's personal DNA (all six billion letters of it). Within the next ten years, hospitals may present parents with their newborn's complete DNA code along with her footprints and APGAR score. In Genetic Twists of Fate, distinguished geneticists Stanley Fields and Mark Johnston help us make sense of the genetic revolution that is upon us. Fields and Johnston tell real life stories that hinge on the inheritance of one tiny change rather than another in an individual's DNA: a mother wrongly accused of poisoning her young son when the true killer was a genetic disorder; the screen siren who could no longer remember her lines because of Alzheimer's disease; and the president who was treated with rat poison to prevent another heart attack. In an engaging and accessible style, Fields and Johnston explain what our personal DNA code is, how a few differences in its long list of DNA letters makes each of us unique, and how that code influences our appearance, our behavior, and our risk for such common diseases as diabetes or cancer.
This early work by Alfred Russel Wallace was originally published in 1893 and we are now republishing it with a brand new introductory biography. 'Are Individually Acquired Characters Inherited?' is an essay that discusses the important question of whether traits acquired during an organism's life are passed on to the next generation. Alfred Russel Wallace was born on 8th January 1823 in the village of Llanbadoc, in Monmouthshire, Wales. Wallace was inspired by the travelling naturalists of the day and decided to begin his exploration career collecting specimens in the Amazon rainforest. He explored the Rio Negra for four years, making notes on the peoples and languages he encountered as well as the geography, flora, and fauna. While travelling, Wallace refined his thoughts about evolution and in 1858 he outlined his theory of natural selection in an article he sent to Charles Darwin. Wallace made a huge contribution to the natural sciences and he will continue to be remembered as one of the key figures in the development of evolutionary theory.
700 new words added to reflect recent advances in the field. Appendixes include historical chronology; a list of periodicals; laboratories engaged in studies of human genetics in Canada, Mexico, and the United States; and teaching aids. 1st ed., 1968.
On life, the life of science, and the science of genetics in Stalinist Russia. First published in Russian in 1983 (Chalidze Publications, NYC) and revised by the author for the English-language edition, which was itself first published in 1988 by Viking Penguin. Very imperfect perfect-binding--pages pulled loose upon inspection. Annotation copyrighted by Book News, Inc., Portland, OR
It is the year 3014. A pivotal battle looms.Branded as murders and forced into hiding in the jungle planet's deepest recesses, pilot John Soledad, biologist Rachel Sanders, and nurse Donna Applegate survive on their wits, frequent field remedies applies by Donna, and occasional late-night raids on the colony's storage warehouses for needed supplies.While the trio struggles to survive, another threat-one more virulent than the jungle's life forms-threatens the very survival of the new colony. Rachel's venom-induced visions are telling her something-revealing to her the terrible nature of the danger-and arousing what seems like memories of things and events ancient, dark, and monstrous.
This is the first and only book, so far, to deal with the causal basis of evolution from an epigenetic view. By revealing the epigenetic "user" of the "genetic toolkit", this book demonstrates the primacy of epigenetic mechanisms and epigenetic information in generating evolutionary novelties. The author convincingly supports his theory with a host of examples from the most varied fields of biology, by emphasizing changes in developmental pathways as the basic source of evolutionary change in metazoans. Original and thought provoking--a radically new theory that overcomes the present difficulties of the theory of evolution Is the first and only theory that uses epigenetic mechanisms and principles for explaining evolution of metazoans Takes an integrative approach and shows a wide range of learning