Nondisjunction can occur at either the first or second division of meiosis. XYY individuals would most likely arise from nondisjunction at the ________ meiotic division in the ________.
A) first; mother
B) second; mother
C) first; father
D) second; father
E) More than one of the choices could give rise to XYY individuals.
D) second; father
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The term that Darwin used to describe the concept that those with superior physical, behavior or other attributes are more likely to survive than those that are not so well endowed, and thus are more likely to pass their traits to the next generation, is called:
A. geometric progression B. natural selection C. superior beings D. survival of modifications E. biological diversity
Facilitated diffusion is an important method for cells in obtaining necessary molecules and removing other ones. Requirements for facilitated diffusion include
A. The carrier molecule must be specific to the molecule that is transported. The direction of movement is always with the concentration gradient, never against the gradient. B. The carrier molecule is nonspecific to the molecule that is transported. The direction of movement is always with the concentration gradient, never against the gradient. C. The carrier molecule is nonspecific to the molecule that is transported. The direction of movement is always against the concentration gradient, never with the gradient. D. The carrier molecule must be specific to the molecule that is transported and an ATP molecule must be attached to the specific carrier. The direction of movement is always against the concentration gradient, never with the gradient.
How does ecological economics provide a more realistic approach than neoclassical economics?
A. Ecological economics recognizes that certain raw materials are non-renewable. B. Ecological economics eliminates the cost-benefit analysis approach. C. Ecological economics is based on the concept of the "invisible hand". D. Ecological economics attempts to consider the value of ecosystem services. E. Both A and D are correct.
Even if detected early, PKU cannot be treated to prevent the development of intellectual disability
a. True b. False