Acclimation involves a change in the genotype triggered by a change in the environment.
a. true
b. false
Answer: b. false
Acclimation involves a change in the phenotype. There's no change in the genotype.
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The response to selection, R, is equal to
A) the heritability (h2) of a trait. B) the strength (S) of selection. C) the difference between h2 and S. D) S/h2. E) h2S.
Prader-Willi and Angelman syndromes are caused by which type of chromosomal mutations, both in connection with chromosome 15?
A) monosomy B) trisomy C) mosaicism D) uniparental disomy E) random X-inactivation
The lymphatic system
A) provides an auxiliary route for the return of extracellular fluid to the circulatory system proper. B) acts as a "receiving" system for the allergic response. C) renders destruction of foreign bodies through chemical lysing. D) does all of the above.
In the accompanying figure, the structure labeled “D” is the ____
a. muscle fiber b. sarcoplasmic reticulum c. mitochondria d. myofibril e. Z line