Fish in a local lake have a mixture of brown and green scales and are found throughout the lake. Over a 5-year period, the lake develops more plant growth and an exotic predatory frog is introduced
What change would you expect to see in the original fish population?
A) The fish with green scales will become more common.
B) Brown-scaled fish will become more common.
C) The fish will develop to resemble the introduced frog.
D) No visible changes will occur in the fish population.
E) Fish that prefer the unvegetated areas of the lake will become more common.
A
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Two parents each have blood type AB, and their first child is blood type AB. What is the probability that their second child will have blood type AB? ( Express the probability as a percent. Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5 )
What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about monohybrid crosses, probability, and co-dominance? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
The first disease to be treated by gene therapy was ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is mismatched?
a. certain fungi; retinal destruction b. trachoma; damage to conjunctiva leading to blindness c. glaucoma; excess pressure of the aqueous humor d. astigmatism; vertical axis is longer than the horizontal axis of the eyeball e. cataract; gradual clouding of the lens
Which of the following is not involved in the separation of paired chromatids and their movement to opposite poles?
a. Sister chromatids attach to microtubules in opposite halves of the spindle. b. Separase hydrolyzes cohesion, allowing chromatid separation. c. Tubulin fibers move the chromatids away from the equatorial plate. d. Polar microtubules push the chromatids to the poles. e. ATP is hydrolyzed by cytoplasmic dynein.