When would you use a Western Blot instead of a DNA Gel Electrophoresis?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

What tool do geneticists use to predict the outcome of genetic crosses? a. karyotype b. punnett square c. centrifuge