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: 4728

#SCPH01 Biochemistry

The genotype r/r ; p/p gives fowl a single comb, R/– ; P/– gives a walnut comb, r/r ; P/– gives a pea comb, and R/– ; p/p gives a rose comb. Which of the following parental genotype would produce 3/8 Walnut comb, 1/8 pea comb, 3/8 rose comb and, 1/8 single comb?

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#Question id: 6982

#I Life Science/ Life Sciences Group – I-V

Which of the following genes control the final structures of appendages from each segment?

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#Question id: 2108

#I Life Science/ Life Sciences Group – I-V

Which of the following is TRUE regarding lipid-anchored membrane proteins?

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#Question id: 18889

#SCPH01 Biochemistry

In light microscopy, which of the following is used as fixatives prior to staining technique?

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#Question id: 13104

#SCPH01 Biochemistry

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

 

 

Why is it that some people show two bands?