Which concept helps to explain why close relatives have a varied mix of genetic traits?
a. segregation
b. dominance
c. incomplete dominance
d. independent assortment
e. codominance
D
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If the Earth were to reorient such that the North Pole always received direct sunlight (always faced the Sun), how would that change Earth's climate?
A) The equators would not change in climate. B) The South Pole would get colder. C) The equators would get warmer. D) The North Pole would get more wind.
Two strains of S. cerevisae (yeast) are crossed. One has the genotype ABC and the other abc. Five sets of the resultant tetrads are noted below. In which set did a gene conversion event occur?
A) abc, aBc, AbC, aBC B) abc, abc, ABC, ABC C) aBc, aBc, AbC, AbC D) abC, abc, ABc, ABC E) Abc, Abc, aBC, aBC
Infectious agents known as __________ cause Creutzfeldt-Jakob disease (CJD).
A. prions B. phages C. viroids D. plaques
When cells are in an isotonic solution, they _______ wate
Fill in the blank(s) with the appropriate word(s).