A wild-type fruit fly (heterozygous for gray body color and…
A wild-type fruit fly (heterozygous for gray body color and normal wings) is mated with a black fly with vestigial wings. The offspring have the following phenotypic distribution: wild-type (gray-normal), 778; black vestigial, 785; black normal, 158; gray vestigial, 162. What is the recombination frequency between the color and wing genes?
Read DetailsImage description: Image of mannitol salt agar showing alter…
Image description: Image of mannitol salt agar showing alternative A with yellow-colored medium and alternative B with a pink-colored medium. Consider the image above to answer the questions about Mannitol Salt Agar (MSA). 1. Select the alternative that corresponds to a positive. [option1] 2. What ingredient in the MSA medium facilitates a color change? [option2]
Read DetailsImage description: Eosin Methylene Blue Agar Results: top…
Image description: Eosin Methylene Blue Agar Results: top growth has a green metallic color, the middle growth shows no color change and the bottom growth has a purple color. Consider the image above to answer the questions about Eosin Methylene Blue (EMB) agar. 1. Select the microbe that, when grown on EMB agar, will develop a green sheen as seen on the first row above. [option1] 2. You incubate Microbe X on EMB agar and find that the growth looks dark purple. What is the presumptive identity of Microbe X? [option2]
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