7.012_Section_4-solution_key_-2010

7.012_Section_4-solution_key_-2010 - Solution key 7.012...

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1 Solution key - 7.012 Recitation 4 - 2010 Questions: 1. Tomato plants can be tall or short and have notched or smooth leaves. You cross a tall, smooth leafed plant with a short, notched leafed plant. All of the progeny are tall , and notched leafed. 1. Tomato plants can be tall or short and have notched or smooth leaves. You cross a tall, smooth leafed plant with a short, notched leafed plant. All of the progeny are tall , and notched leafed. i. Which traits are dominant and which are recessive? Dominant traits are tall and notched whereas the recessive traits are short and smooth. ii. What are the genotypes of the two true-breeding parents? Use the letters H or h to represent the alleles of the height gene and the letters S or s to represent the alleles of the leaf gene. In each case, use the uppercase letter for the allele associated with the dominant phenotype and the lower case letter for the allele associated with the recessive phenotype.
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