As an example of the relationship between structure and function the forward-facing eyes shared by all primates help them in
A) manipulating small objects.
B) depth perception as they navigate through forests.
C) swinging from tree branches.
D) seeing in the dark.
Answer: B
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A relaxed closed-circular DNA of 5,000 bp would have a linking number of:
A. 500 B. 476 C. 347 D. 210 E. 50
Purple flower (A) is dominant over white flower (a), and tall stem (B) is dominant over short stem (b). The Punnett square
represents a cross between two dihybrids (AaBb ? AaBb). In the figure above, what would be the genotype of plant #7?
a. AaBb b. AABb c. AaBB d. AABB e. aaBB
Which of the following habitats is most likely to be
rich in fossils? a. eroding hillsides b. deserts c. polar ice caps d. a bed of a former shallow sea e. rocky plateau
The Hardy-Weinberg principle states that allele frequencies remain constant from generation to generation.
a. true b. false