Segmentation genes in Drosophila act in which of the following orders?
A) segmental, helical, spherical
B) pair-rule, transdeterminal, gap genes
C) gap, pair-rule, segment polarity
D) pair-rule, segment polarity, gap genes
E) pair-rule, segment polarity, Hox genes
C
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Organisms that directly reduce almost all of their pyruvate to lactate are called ________ fermenters.
Fill in the blank(s) with the appropriate word(s).
Where does meiosis occur in males?
During the process of sweating to cool body temperature, the sweat gland is acting as which homeostatic component?
a. feedback system b. sensory receptor c. integrating center d. effector e. set point
Which offspring will receive a harmful allele for a sex-linked trait from a man who carries the allele?
A) all of his daughters B) only half of his daughters C) only half of his sons D) all of his children