Postzygotic isolating mechanisms occur when the offspring ____
a. survive to reproductive age
b. have vigorous health
c. inherit the same numbers of chromosomes from each parent
d. inherit different developmental instructions from each parent
e. have hybrid viability
ANSWER: d
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Hamilton's Rule is a calculation of the strength in a population of
A. sexual selection. B. kin selection. C. natural selection. D. genetic relatedness. E. group selection.
One mechanism that may lead to novel disease treatment involves ________, which hinders the translation of specific mRNAs
A) siRNA B) tRNA C) P bodies D) macro-RNAs E) rRNA
Which structure collects the water and small dissolved molecules forced out of the bloodstream during the process of filtration?
A) Glomerulus B) Nephron loop C) Distal tubule D) Glomerular capsule E) Proximal tubule
What occurs in the structure labeled A in the accompanying figure?
A. Attachment B. Locomotion C. Protein-making D. Breathing E. Communication