Certain Turtle Species Exhibit Embryonic Expression of an Enzyme That

Certain turtle species exhibit embryonic expression of an enzyme that converts male sex hormones to female sex hormones.  The enzyme expression level determines whether a developing embryo will be male or female.  Scientists hypothesize that expression of this enzyme depends on incubation temperature during development.  To test this, they incubated 30 turtle eggs at 26°C and 30 eggs at 30°C and recorded the sex of each turtle after hatching (shown below) . Given this, the expression level of this enzyme in developing turtles is most likely:

A) high at 26°C and low at 30°C.
B) low at 26°C and high at 30°C.
C) high at both 26°C and 30°C.
D) low at both 26°C and 30°C.

Correct Answer:

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