What is the probability of obtaining an individual with the genotype bb from a cross between two individuals with the genotype Bb?
a. 1/2
b. 1/4
c. 1/8
d. 0
Ans: b. 1/4
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Folding domains typically range in length from ____________ amino acids
A. 1,000 to 1,5000 B. 10 to 20 C. 200 to 275 D. 50 to 80 E. 25 to 100 or more
A population that is decreasing in size will have an age-structure histogram shaped like a(n):
A. pyramid, with a wide base at the bottom representing a large number of young individuals. B. rectangle, with an (roughly) equal number of individuals in each age group. C. inverted pyramid, with a narrow base representing a small number of young individuals. D. diamond, with a wide center depicting a large number of individuals that have reached reproductive maturity.
Respond to statements 110–113 in reference to the four kinds of
energy listed below. a. chemical b. mechanical c. thermal E 110. Receptors on the tongue detect variation in this kind of energy. M 111. Olfactory receptors detect this kind of energy. M 112. Ears detect this kind of energy. E 113. The warmth you feel from a campfire is a result of detecting this kind of energy.
Which factor is density-dependent?
A) decrease in temperature B) increase in waste production C) decrease in frequency of hurricanes D) increase in rainfall