The primary source of new red blood cells in mammals is the
a. liver.
b. blood, itself.
c. spleen.
d. heart.
e. bone marrow.
E
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The scientific name for the ruffed grouse is Bonasa umbellus. Bonasa is
(a) the family name. (b) the genus. (c) the specific epithet. (d) all of the above.
The genes along a particular linear chromosome are illustrated below.
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The frequency of crossover events between these loci will be least frequent when considering genes
A) a and b.
B) b and c.
C) c and d.
D) d and e.
E) a and e.
The type of behavior that does not require learning or experience to be performed correctly is
A. classical conditioning. B. habituation. C. operant conditioning. D. imprinting. E. innate behavior.
The presence of two X chromosomes supports the existence of a particular genetic locus
__________________ Indicate whether the statement is true or false.