There are various methods to distinguish whether a colony contains a recombinant or not. One such method is __________

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#Question id: 4044

#Unit 3. Fundamental Processes

Which of the following sigma specificity factors is involved in middle gene transcription during SPO1 phage infection of bacteria?

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#Question id: 23832

#Unit 2. Cellular Organization

How many head domains are present in myosin I?

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#Question id: 15835

#Unit 8. Inheritance Biology

You are interested in a new type of autosomal dominant mutation that gives purple eyes in Drosophila. You have a true-breeding purple-eyed line carrying a mutation that you call pr-1. You have isolated a second purple-eyed mutation that you call pr-2, which you have established in a true-breeding line that also carries a recessive marker st, which gives stubby legs. You cross a fly from the pr-1 line to a fly from the st, pr-2 line producing F1 females which you then cross to males from a true breeding st line (normal eyes). From this cross, 1000 progeny flies can be categorized into four different phenotypic classes:

                       

What is the distance between pr-1 and pr-2 in cM?

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#Question id: 5212

#Unit 11. Evolution and Behavior

Barbara McClintock, famous for discovering that genes could move within genomes, had her meticulous work ignored for nearly 4 decades, but eventually won the Nobel Prize. Why was her work so distrusted?

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#Question id: 18382

#Unit 12. Applied Biology

Which bacterial enzyme has been transferred to Arabidopsis thaliana which can absorb mercury, and it reduces to volatile Hg from the leaf surface.