A man with type O blood has a sister with type AB blood. What are the genotypes and phenotypes of their parents?
What will be an ideal response?
One of the parents is heterozygous (IAi) for type A and therefore is type A, and the other parent is heterozygous (IBi) for type B and therefore is type B.
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Humans have direct development, a closed circulatory system, well-developed eyes, and large brains. Which mollusk also shares these features?
A. Chiton B. Slug C. Octopus D. Nudibranch Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about cephalopods? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A rancher is suspected of shooting wolves near Yellowstone National Park, and you have been enlisted to go have a chat with him. The rancher doesn’t see any benefit to having the wolves there. What do you say?
A. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, logistic growth. Wolves help reduce the fecundity rate, keeping the population at a reasonable level." B. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, exponential growth. Wolves help reduce the carrying capacity, keeping the population at a reasonable level." C. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a metapopulation. Wolves help reduce the biotic potential, keeping the population at a reasonable level." D. "If there are no predators like wolves, just one pair of jackrabbits can quickly create a population with explosive, density-dependent growth. Wolves help reduce the age structure, keeping the population at a reasonable level." Clarify question: What is the key concept addressed by the question? In this question you are being asked to explain the benefits of having wolves. What type of thinking is required? This is an analysis question, you will need to break the question down into its components in order to get to the answer. Gather Content: What do you already know about the benefits of wolves in a community? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In Figure 41-3, point A is:
a. the resting state.
b. indicative of repolarization.
c. the threshold level.
d. the equilibrium potential.
e. indicative of hyperpolarization
Scientific theories are the same in any part of the world (meaning they do not vary by location)
Indicate whether the statement is true or false