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EBIO 2027 EXAM 3 QUESTIONS WITH COMPLETE ANSWERS

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EBIO 2027 EXAM 3 QUESTIONS WITH COMPLETE ANSWERS

Institution
EBIO 2070
Course
EBIO 2070

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temperture dependent


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for turtles, low temperatures produce all males, intermediate temperatures
produce 50-50, and warmer temperatures produce all females, Dmrt1 is
produced/expressed at high levels at the male promoting temperature




Wolfian ducts


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Will be become internal male reproductive structures if activated by the
SRY gene

,indels


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insertions and deletions




plasmids


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circular pieces of DNA that can replicate in bacteria independently of the
chromosome, about 4000 bp in size, need an origin of replication




More accurate sequencing


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pac bio (10-20,000 bp), oxford nanopore (100,000-1 mil bp)




Next generation sequencing (illumina)


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, millions of DNA fragments sequenced in parallel: take tisuue from organism
and extract DNA, break DNA into small 200-500 bp fragments, ligate
adapters to the ends of fragments, fragments are amplified to create 100-
200 million clusters




melanin


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the main pigments determining mammalian skin and hair color, is
synthesized from enzymes , intermediates are eventually converted into 1
of 2 types




recombinant DNA


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DNA produced by combining DNA from different sources, pieces of DNA
cut with the same restriction endonuclease can be joined together to
produce recombinant DNA




-blast


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undifferntiated version of something

, Oligo(dT) primer


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latches onto polyA tail of the mRNA, acting as its primer




reversible dye terminators


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use nucleotides similar to dideoxynucleotides that block strand elongation.
Includes fluorophore with a color corresponding to the base pair (A, C, G,
T), terminators get added to strand by DNA polymerase, can be chemically
removed to continue strand elongation, DNTps not used




Transformation of plants by Agrobaterium tumefaciens


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bacteria have evolved a way to insert DNA into plant genome and cause it
to build a tumor which is a good environment for plant growth




Y chromsome size


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Institution
EBIO 2070
Course
EBIO 2070

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