Biology · Genetics and Plant Breeding
A plant breeder plans to introgress a gene for pathogen resistance (R) from a wild species (B) into a cultivated variety (A). DNA marker analysis shows that marker B3 is tightly linked to the resistance gene R, while marker B2 is also located within the target locus. Markers A2, A3, A4, and A7 represent the genetic background of the cultivated variety A. Which one of the following options has the correct choice of markers for foreground (FG) and background (BG) selection, respectively?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1FG : B3, A4 and BG : A2, B2, B7 and A7
- 2FG : B3, B2 and BG : A2, A3, A4, A7✓
- 3FG : B3, B2 and BG : A1, A5, A6, A8
- 4FG : B3, A4 and BG : A2, A3, A7
Correct answer
FG : B3, B2 and BG : A2, A3, A4, A7
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