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You performed breeding experiments on a newly discovered species of unicorn. the horns came in three colors: white, black and gray. A single gene controls color. When you crossed pure-breeding white-horned individuals with a pure-breeding black-horned ones, you got all gray-horned F1 offspring. You then crossed the gray-horned offspring with […]

1. What field of biology studies the classification of living organisms? 2. What is binomial nomenclature and what are its basic rules? 3. What are the categories for the classification of living organisms? 4. What are the five kingdoms into which living organisms are divided? Which group of living organisms […]

Q1. The Hershey-Chase experiment was a sequence of experiments conducted in 1953 by Alfred Hershey and Martha Chase that confirmed DNA’s preeminent role in an inheritance. In their first experiment, bacteria were infected with T2 phage containing radioactive 32P-labeled DNA. In a second experiment, the separate batch of bacteria was […]

One of the most controversial moral and ethical dilemmas of the President George W. Bush’s campaign to be re-elected focused on stem cells. Stem cells have the ability to become or differentiate into any type of cell. If you had the power to become a stem cell and have unlimited […]