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#Question id: 4722


Penetrance is the percentage of individuals having a particular genotype, who express the associated phenotype, following statement, are correct about Penetrance.

#SCPH06 I Botany
  1. Incomplete penetrance of dominant mutant gene must produced mutant phenotype. 

  2. A gene might encode an enzyme that produces a particular phenotype within limited temperature due to complete penetrance

  3. The genotype does always produce the expected phenotype, a phenomenon termed incomplete penetrance.

  4. Penetrance variability of sex influence gene is differ in male and female

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#Question id: 19510

#SCPH05 I Biotechnology

The most electronegative element in the periodic table isβ€”β€”β€”

TLS Online TPP Program

#Question id: 13089

#SCPH28 | Zoology

To express a yeast gene in E. coli, your task is to design a strategy to insert the yeast gene into the bacterial plasmid. Below is a map of the area of the yeast genome surrounding the gene in which you are interested.

 
The distance between each tick mark placed on the line above is 100 bases in length
Below are the enzymes you can use, with their specific cut sites shown 5’-XXXXXX-3’ 3’-XXXXXX-5’

 
The plasmid is 5,000 bases long and the two farthest restriction enzyme sites are 200 bases apart. The plasmid has an ampicillin resistance gene somewhere on the plasmid distal from the restriction cut sites.
                              
You do the digestion of the insert and the vector and then ligate the two digestions together. You then transform the ligation into bacteria and select for ampicillin resistance. You get three colonies on your transformation plate. You isolate plasmid from each one and cut each plasmid with the enzyme XbaI. You then run your three digestions on an agarose gel and see the following patterns of bands. Describe what each plasmid actually was that was contained in each of the three colonies.
 
What is the Colony 2’s plasmid is;

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#Question id: 1605

#SCPH28 | Zoology

inhibition of class I presentation,

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#Question id: 19661

#SCPH05 I Biotechnology

Which of the following substances has the highest melting point?

TLS Online TPP Program

#Question id: 2260

#SCPH01 Biochemistry

The term "nuclear envelope" is more correct than the term "nuclear membrane" because