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Transcript
Genetics 101 Part 1: What are genes? Video 1. What percent of your genes are found in your nucleus?__________________________________________ 2. How many genes does a human cell have?___________________________________ 3. Which is not a base that makes up DNA? (Circle One) A. Adenine B. Guanine C. Cytosine D. Fitosine E. Thymine 4. Genes tell a cell: (Circle One) A. How to function. B. What traits to express. C. Both A and B 5. How many chromosomes does a human typically have in their cells?____________________________________ 6. How much DNA do we have in common with other humans?___________________________________________ Tour of the Basics What is DNA? 1. What does DNA stand for?_____________________________________________________________________ 2. “A” always pairs with?_____________________ 3. “G” always pairs with?_____________________ What is a gene? 1. Genes are __________________ __________________ for our bodies. 2. What are genes made of? A. Chromosomes B. DNA C. Nucleus 3. Genes contain instructions for building_______________. A. Sugars B. Proteins C. Fats D. Glucose D. Acids What is a Chromosome? 1. The ____________ packaged into compact units called chromosomes. 2. The chromosomes shown are that of a Male or Female? (Circle one) 3. Explain how you know._____________________________________________________________________ ___________________________________________________________________________________________ ____________________________________________________________________________________________ What is a Heredity? 1. The passing of traits from _______________________________ is the basis of heredity. 2. Fill in the number of chromosomes found in the egg and sperm. What is a Trait? 1. A trait is a notable ________________ or quality in an organism. 2. What types of traits exist? a. Physical b. Behavioral c. Predisposition to a medical condition. D. a, b, and c 3. Give an example of how environment can affect your genetic traits._________________________________ ________________________________________________________________________________________ 4. Determine which kind of thumb a kid would have for each situation. a. Kid #1: HH ________________________________ b. Kid #2 Hh ________________________________ c. Kid #3 hh ________________________________ 5. Where do we get our traits from?______________________________________ ____________________________________________________________________
