Adifferential agar medium: select one: a. only selects for one specific kind of organism b. none of the above c. contains a single substrate that shows differences between groups of microbes on the basis of different chemical reactions producing different appearances d. displays specific characteristics of different species of bacteria

C

Explanation:

Differential media contains single substrate that shows differences between groups of microbes on the basis of different chemical reactions producing different appearances. Example include MacConkey agar, Blood agar.

In blood agar microbes are differentiated on the types of hemolysis produce during the break down of red blood cells. They are alpha hemolysis characterize by partial destruction of red blood cells with greenish to brownish discoloration of the medium, beta hemolysis characterize by clear zone of destruction of red blood cells and gamma or no zone of clearing.

the correct answer is sex-linked recessive.

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