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What can we use tetrad analysis for? (Select all that applies. Points will be deducted for...

What can we use tetrad analysis for? (Select all that applies. Points will be deducted for each wrong selection)

A.

identify dominant and recessive genes in yeast
B.

Identify linkage between genes in yeast
C.

identify the phenotype of dominant but not recessive genes
D.

identify lethal genes in yeast
E.

study unlinked but not linked genes in yeast
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Answer #1

Tetrad analysis is used for studying linkage and lethal genes. Hence, the correct option are B and D. Tetrad analysis confirms the mutation which caused the phenotype. It helps in gene mapping and studying the extent of recombination. It calculates the genetic distance between the linked genes.

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