Which of the following is not correct concerning the plague?
What will be an ideal response?
Strains of the plague bacillus are less virulent today compared to strains prevalent in the Middle Ages.
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You are a genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she
could have hemophilia. The man has an X-linked recessive form of hemophilia, but the woman does not. Genetic tests reveal the woman is not a carrier for hemophilia. How should you advise them?
a. Half of their children will have hemophilia. b. All of their sons and half of their daughters will have hemophilia. c. None of their children will have hemophilia, but all of their daughters will be carriers for hemophilia. d. Each of their sons will have a 50% chance of having hemophilia, and each of their daughters will have a 50% chance of being carriers.
e. All of their sons will have hemophilia, and all of their daughters will be carriers.Moist heat readily destroys bacteria, viruses, and fungi by
A) Inhibiting protein synthesis B) Denaturing nucleic acids and proteins C) Lysing cells D) Damaging the cell wall
In the absence of repair, what would the replication of a double helix containing a mismatch yield?
A. two DNA molecules containing different mismatches at the site of the original error B. two DNA molecules with a mutated sequence C. one DNA molecule with the normal sequence and one DNA molecule with a mutated sequence D. two DNA molecules containing the mismatch E. one DNA molecule with the normal sequence and one DNA molecule with a mismatch
As development commences in a fertilized human egg, a small ball of cells that forms after about five days is called a ________.
Fill in the blank(s) with the appropriate word(s).