What Mendel called “factors” we now call ____
A. nucleotides
B. DNA
C. chromosomes
D. genes
E. bases
D
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Mollusk eyes and vertebrate eyes are
A. analogous structures, because they arise from the same structures during development. B. analogous structures, because they have the same function but derive from different common ancestors. C. homologous structures, because they have different functions. D. homologous structures, because they are derived from the same common ancestor.
You breed a black, long-haired rabbit with a white, short-haired rabbit. All of the offspring have long, black hair. If the genes for hair color and length are closely linked on the same chromosome, what would you expect to see in the F2 generation?
A. 15 black, long-haired: 1 black, short-haired: 1 white, long-haired: 5 white, short-haired B. 3 black, long-haired: 1 white, short-haired C. 9 black, long-haired: 3 black, short-haired: 3 white, long-haired: 1 white, short-haired D. 3 black, long-haired: 9 black, short-haired: 9 white, long-haired: 1 white, short-haired E. All long-haired black
Which of the following is true?
a. No species of slime mold form colonies. b. All species of slime mold form colonies. c. Slime molds form colonies only for reproduction. d. Some species of slime molds form colonies.
The main function of the inflammatory response is to
A) initiate the production of antibodies. B) remove contaminating microorganisms and initiate repair of damaged tissues. C) initiate T-cell-mediated immune responses. D) initiate the production of killer cells.