Biol 1001 Lesson 8

Biol 1001 Lesson 8 - Scott McFarland Biol 1001 653437...

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Scott McFarland Biol 1001 653437 Lesson 8 Patterns of Inheritance 1. In rabbits, a normal coat is dominant over a satin coat. Cross a homozygous dominant normal rabbit with one with a satin coat. What is the phenotypic/genotypic ration of normal to satin in the F1 generation? Cross two of the f1 with each other. What is the phenotypic ratio fo the f2 generation? Show your work, including your key. Please refer to the attached worksheet. 2. For the normal coated rabbits in the F2 generation in the above problem, how could you determine which ones are homozygous dominant and which ones are heterozygous dominant? Explain your answer. You can determine which ones are homozygous dominant (NN) and heterozygous dominant (Nn) by the genotype . 3. A rabbit breeder crossed a white normal coat male with a black satin coat female. All offspring were black with normal coats. He then crossed two of the black normal coats with the hopes of getting a black satin rabbit. What is the likelihood of this being successful? Show the cross and key to explain your answer. Please refer to the attached worksheet. 4. Include the work and list the expected phenotypic ratios for the following crosses: a. Red cow and white bull…all offspring are roan. What are the results of roan v roan? b.
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This note was uploaded on 12/03/2008 for the course BIOL 1001 taught by Professor Minor during the Spring '08 term at LSU.

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Biol 1001 Lesson 8 - Scott McFarland Biol 1001 653437...

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