Directional selection generates a phenotypic shift ________

A) away from either extreme of the phenotype
B) toward an extreme of the phenotype
C) toward both extremes of the phenotype
D) toward the mean of the extremes of the phenotype


Answer: B

Biology & Microbiology

You might also like to view...

Allopatric populations that are morphologically ____ use ____ resources

a. similar; similar b. similar; different c. different; different d. different; similar e. unrelated; mimicry

Biology & Microbiology

Scientists have found that extinction rates among ____ are accelerating rapidly

a. endangered species b. trigger species c. bird species d. amphibian species e. plant species

Biology & Microbiology

This biome is dominated by dwarf shrubs, grasses, and sedes that can tolerate long dark winters

A) deciduous forest (B) Tropical rain forest (C) Desert (D) Tundra (E) Taiga

Biology & Microbiology

Serratia marcescens can be identified by its distinctive blue-green pigment pyocyanin

Indicate whether the statement is true or false

Biology & Microbiology