which of the following is often used as a genetic marker?a,b,c,d....?

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which of the following is often used as a genetic marker?a,b,c,d....?

a.foreign genes
b.a gene for antibiotic resistance
c.a DNA sequence that serves as a bacterial orgin of replication
d.a nucleotide labled with a flouresent dye

2007-04-08 14:13:45 · 2 answers · asked by dee_dee A 2 in Science & Mathematics ➔ Biology

2 answers

b) the antibiotic allows selection for bacteria that have taken up foreign DNA

2007-04-08 14:20:44 · answer #1 · answered by Carolyn d 2 · 0⤊ 0⤋

2007-04-09 09:47:40 · answer #2 · answered by gerafalop 7 · 0⤊ 0⤋