In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If two dihybrids (Bb Ss) were crossed, the most common phenotype would be
a. black and solid.
b. black and spotted.
c. red and solid.
d. red and spotted.
e. none of these.
A
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Moves in the genome through an RNA intermediate
Match the description with the appropriate term.
Human birth weight is a classic example of the results of
a) disruptive selection b) directional selection c) stabilizing selection d) genetic drift e) genotype by environment interaction
The most common terrestrial animals are
A. birds. B. reptiles. C. mammals. D. insects.
Do sexually selected traits have to be "honest indicators" under the runaway sexual se-lection model?
a. Yes, traits under sexual selection always have to be costly. b. No, female preference alone is sufficient under runaway selection. c. Yes, otherwise genetic linkage could not be established. d. No, the model only requires female preference and male trait to be tightly genetically linked. e. B and C.