Transcomplementation Is a Name Sometimes Given for a Test to See

question 22

Multiple Choice

Transcomplementation is a name sometimes given for a test to see whether a gene from one organism can "rescue" a loss- of- function mutant of a different organism with a homologous gene. To which of the following processes might this term apply?

• A) replacement of a cdc25- with a cdc13+ gene to rescue a cell cycle dysfunction
• B) introduction of a human WEE1 gene into a yeast culture with wee1- mutant yeast
• C) use of Drosophila heat shock gene promoters to regulate heat shock genes in the model fish, fugu
• D) replacement of a nonfunctional globin gene with a globin pseudogene
• E) substitution of a drought- resistant gene from potato plants with a drought- resistant gene from a cactus species

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