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- Smaug (The Chiefest and Greatest of Calamities, The Unassessably Wealthy, The Stupendous, etc.), is the dragon who lords over the Lonely Mountain in J.R.R. Tolkien's The Hobbit. He is described with the following phenotypes: Reddish-golden scales Batlike wings Fire breathing Let's assume the following inheritance models are true for the dragon phenotypes observed: Phenotype Scale Color Wing Shape Fire Breathing Alleles R¹ (Red scales), R² (Gold scales) X¹ (Bat-like, Dominant), Xi (Insect-like, Recessive) F (Fire breathing), f (unable to create fire) Inheritance Model Incomplete dominance X-linked allele Mendelian1. What is the sex of a pigeon and the crest of a pigeon a product of? 2. What is the THREE letter code for the twisted-ladder chemical that holds genes? How did our PARENT'S genes (genetic information) for eye color, hair color, and other things get to us? 3. 4. How many copies of EACH gene does an individual (pigeon or person) usually INHERIT? What TYPE of GENES or ALLELES do pigeons have for their crests, what can the CRESTS (hair on their head) look like? 5. 6. What are ALLELES? What are the ALLELES for PIGEON CRESTS? 7. What are the LETTERS called we use for a particular GENE?1. Consider blue eyes (b) as a recessive trait to brown eyes (B). The presence of cheek dimples (D) is governed by dominant allele while absence (d) is controlled by a recessive one. A couple has heterozygous genotype for facial dimples, but the woman has blue eyes while the man is brown-eyed who has a blue-eyed mother. State the (a) phenotypes (b) phenotypic ratio of their progeny. (c) genotypic ratio
- 4. Which is an example of codominance? A. A smooth-seeded pea plant and a wrinkled-seeded pea plant produce smooth-seeded pea plants. B. A white rabbit and a black rabbit produce a white-and-black rabbit. C. A blue-eyed man and a brown-eycd woman produce a blue-eyed child. D. A color-blind woman and a man with normal vision produce a color-blind son.1A. Fruit Flies and Genetics Research: Imagine you are working in a genetics lab with the fruit fly Drosophila melanogaster, a model organism for genetics research. You want to determine whether a trait you have discovered in fruit flies is dominant or recessive.• Explain how you would design an experiment to answer this question.• Predict what types of outcomes are possible. Which would indicate that the trait is dominant? Which would indicate that it is recessive? 1.B Model Genetic Organisms: Why are fruit flies considered a model genetic organism? Would humans fit this description?1. Which is more important, nature or nurture? 2. All genetic characteristics are not inherited. Explain this. 3. In family, how did similarities and differences develop? What do you think caused them?
- 28. Which of the following statement is incorrect A. Not all organisms with the same genotype look or act the same way because appearance and behavior are modified by environmental and developmental conditions B. not all organisms that look alike necessarily have the same genotype. C. Phenotypes result from the expression of an organism's genes as well as the influence of environmental factors and the interactions between the two D. Homozygous recessive genes will not express any traits or characteristics phenotypically28. Which of the following statement is incorrect A. Not all organisms with the same genotype look or act the same way because appearance and behavior are modified by environmental and developmental conditions B. not all organisms that look alike necessarily have the same genotype. C. Phenotypes result from the expression of an organism's genes as well as the influence of environmental factors and the interactions between the two D. Homozygous recessive genes will not express any traits or characteristics phenotypically 37. The following describes meosis except: A. Is the process of cell division that results in the reduction in the number of chromosomes. B.The four daughter cells will have a haploid number of chromosomes. C. Meiosis is the type of cell division by which germ cells (eggs and sperm) are produced D. The division of the mother cell into two daughter cells, genetically identical to each other and to their parent cell. This accounts for approximately 10% of the cell cycle.…1. Fruit Flies and Genetics Research: Imagine you are working in a genetics lab with the fruit fly Drosophila melanogaster, a model organism for genetics research. You want to determine whether a trait you have discovered in fruit flies is dominant or recessive.• Explain how you would design an experiment to answer this question.• Predict what types of outcomes are possible. Which would indicate that the trait is dominant? Which would indicate that it is recessive?
- 1. What is an open-ended question about how traits exist in families and the importance of the genotype and phenotype of traits? This can be anything related to genetics. 2. Explain why it is an important question to ask.1. Develop a micro-theme to include the following concepts: a. Differentiate between genetics and heredity b. Compare dominant and recessive traits c. Compare pure and hybrid offspring4. SpongeBob SquarePants recently met SpongeSusie Roundpants at a dance. SpongeBob is heterozygous for his square shape, but SpongeSusie is round. Create a Punnett square to show the possibilities that would result if SpongeBob and SpongeSusie had children. HINT: Read question #2! A. List the possible genotypes and phenotypes for their children. B. What are the chances of a child with a square shape? out of or C. What are the chances of a child with a round shape? out of or