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

Question

Quizplus · Accepted Answer

The classical approaches to mapping and identifying genes involved in human disease include functional and positional cloning.In functional cloning, physiological function studies precede gene identification and chromosomal mapping.In positional cloning, gene mapping precedes the identification of the disease gene.This approach is usually used when there is little or no understanding about the function of the defective gene.Positional cloning requires the analysis of samples collected from multiple families in which the genetic disorder segregates.

Which of the Following Is True of Mapping and Identifying