Which of the Following Is True of Mapping and Identifying

question 18

Multiple Choice

Which of the following is true of mapping and identifying genes involved in human disease?

• A)In functional cloning, gene mapping precedes the identification of the disease gene.
• B)In positional cloning, physiological function studies precede gene identification and chromosomal mapping.
• C)Positional cloning requires the analysis of samples collected from multiple families in which the genetic disorder segregates.
• D)All of the above