An F1 individual resulting from a cross between a homozygous dominant parent and a homozygous recessive parent is
always ____.
a. heterozygous or homozygous dominant
b. heterozygous or homozygous recessive
c. homozygous dominant
d. homozygous recessive
e. heterozygous
ANSWER: e
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Which of the following groups of fungi are found exclusively in association with plant roots?
A. glomeromycetes B. chytrids C. zygomycetes D. basidiomycetes E. ascomycetes
During every energy transformation, it can be said that
a. the entropy of the universe increases. b. the entropy of the universe decreases. c. there is an increase in the free energy of the universe. d. there is a change in the total energy of the universe. e. the system becomes more organized.
When two alleles of the same gene are
identical, the individual carrying those alleles is said to be
a. dominant. b. heterozygous. c. recessive. d. genotypical. e. homozygous
Which of the following would best be defined in part as an immune system overreaction?
A) chronic disease B) allergies C) cytotoxic T cell action D) cell-mediated response E) autoimmune disease