Mitochondrial DNA is inherited by means of
a. Mendelian genetics.
b. random assortment.
c. paternal transmission.
d. maternal transmission.
Ans: d. maternal transmission.
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If a different scientist was comparing the soil nutrients in a region where Venus fly-traps live to soil components in other ecosystems, which type of ecology would that be?
a. population ecology b. community ecology c. ecosystem ecology d. organismal ecology
The discarded theory of blending inheritance
appears most like
a. X-linked inheritance. b. dihybridization. c. codominance. d. incomplete dominance. e. complete dominance.
The kinetochore serves which of the following functions?
a. Kinetochores anchor spindle fibers to the centrioles. b. Kinetochores are the site of DNA synthesis. c. Kinetochores regulate the length of the cell cycle. d. Kinetochores attach to microtubules during mitosis. e. Kinetochores are involved in cytokinesis
There are those who claim that the theory of evolution cannot be true because the apes, which are supposed to be closely related to humans, do not likewise share the same large brains, capacity for complicated speech, and tool-making capability. They reason that if these features are generally beneficial, then the apes should have evolved them as well. Which of these provides the best argument against this misconception?
A) Advantageous alleles do not arise on demand. B) A population?s evolution is limited by historical constraints. C) Adaptations are often compromises. D) Evolution can be influenced by environmental change.