Suppose that your mother and father both have cystic fibrosis, which is caused by a recessive allele. What are the odds of you having cystic fibrosis?
a. 1
b. 3 in 4
c. 1 in 2
d. 1 in 4
Ans: a. 1
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The fact that the radioactive sulfur stayed with the virus component in this experiment showed that _____
Since a carbon atom has 4 valence electrons, it can complete its valence shell by forming a total of 4 hydrogen bonds
__________________ Indicate whether the statement is true or false.
What is meant by the statement that water has a high specific heat?
A) It can absorb a lot of energy without changing temperature. B) Water freezes easily. C) It grows hot quickly. D) Water can heat up to only a certain temperature. E) The boiling point of water is low.
Which of the following is a symptom of pneumonia?
A. Lung consolidation on X-ray films B. Body temperature of 104 degrees Fahrenheit C. Elevated white blood cell count D. Difficulty breathing