1. Two healthy parents have a child who is later diagnosed with cystic fibrosis. a. What...
1. Two healthy parents have a child who is later diagnosed with cystic fibrosis.
a. What is the genetic term for this kind of disease?
b. Using Mendel’s pattern, pick a letter for this gene and give the genotypes of the parents and the child.
c. What are the odds that their next child will also have cystic fibrosis?
2.You are working in the lab with strains of Drosophila that have either normal legs or abnormally short legs and you are studying the gene responsible. You know that normal legs are dominant to short legs. You come across a misplaced fly with normal legs, but you are not sure of his genetic background and you want to keep him in your experiments.
a. (Without doing a molecular analysis), How could you figure out whether he was heterozygous or homozygous for the leg gene that you are studying? (Describe what you would do and how the results would answer the question.)
b. What is the procedure you described above called?
Homework Answers
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