Which of the following is defined as genetic change in a population from generation to generation?
A. heredity
B. phenotype
C. evolution
D. genotype
E. mitosis
C. evolution
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Is it correct to state that human evolution did not proceed from one species to the next, each evolving to be more modern? Why or why not?
What will be an ideal response?
Why are most X-linked disorders recessive?
a. X-linked dominant disorders are always fatal to females b. females only have one active X- dominant disorders would render them sterile c. dominant X-linked disorders are almost always fatal to the male embryo d. dominant X-linked disorders, regardless of their overall effect, prevent proper sperm formation e. more than one of these is the reason why most X-linked disorders are fatal
Which of these animals is correctly matched with its type of skeleton?
A) Mayfly/hydroskeleton B) Lobster/exoskeleton C) Bird/exoskeleton D) Earthworm/endoskeleton E) Shark/hydroskeleton
Translation occurs in _____.
A) the nucleus B) a DNA molecule C) a ribosome D) a tRNA molecule