If a study of several pedigrees demonstrated that two parents are normal but their children express a
trait, then the trait is controlled by a
a. codominant gene.
b. simple dominant gene.
c. recessive gene.
d. sex-linked gene.
e. No conclusion can be drawn.
C
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Once an organism is placed in a specific species, the designation cannot be changed
Indicate whether the statement is true or false
If the blood is alkaline,
Select one: a. more hydrogen ions and bicarbonate ions are excreted. b. less hydrogen ions and more bicarbonate ions are reabsorbed. c. less hydrogen ions are excreted and less bicarbonate are reabsorbed. d. the kidneys reabsorb increased amounts of water. e. the diet must be low in necessary acids.
The four classic signs and symptoms of inflammation include all the following, except
A. chills. B. swelling. C. redness. D. pain. E. warmth.
Some bacteria have been found to have much higher rates of mutation than other members of their population; they are termed "mutators." What do you think is the most likely reason for their higher rates of mutation?
A. They are incapable of bacterial transformation. B. Their DNA polymerase has compromised 5' to 3' polymerase function. C. All choices are equally likely to lead to higher rates of mutation. D. They have much smaller genomes than regular bacteria. E. Their DNA polymerase has compromised 3' to 5' exonuclease function.