Approximately, how many varieties of edible
apples existed in the days of Johnny
Appleseed?
a. 6
b. 16
c. 160
d. 1600
e. 16,000
E
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In humans, hemophilia is caused by a recessive allele on the X chromosome. Suppose a man with hemophilia has children with a healthy woman whose mother had hemophilia. If an ultrasound test shows that their first child is a girl, what is the probability that she has hemophilia? (Enter 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 )
50 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 X-linked inheritance? 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?
This compound is capable of destroying ozone molecules
a. carbon dioxide b. methane c. water vapor d. chlorofluorocarbon e. nitrous oxide
The commercially important unicellular protists that are used in filters, polishes, and other industrial
processes are the:a. dinoflagellates. b. euglenoids. c. apicomplexans. d. zooflagellates. e. diatoms.
Why is the cassava plant difficult to engineer without the help of modern biotechnology?
A) The plant has a very low mutation rate. B) The plant is long lived making selective breeding ineffective. C) The plant is integral to African agriculture and is already optimized. D) The plant does not undergo recombination events, which limits genetic drift.