Darwin predicted that advantageous, heritable characteristics would become less common in a population when

individuals were forced to compete for limited resources



a. True
b. False


ANSWER: False

Biology & Microbiology

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A founder effect occurs when

A) geographic barriers separate populations. B) some individuals leave a larger group. C) individuals in a population have few children. D) mutations introduce new alleles into a population.

Biology & Microbiology

White flower color is recessive to purple. What is the genotypic ratio when two heterozygous pea plants are crossed?

A. 1:1 B. 3:1 C. 4:0 D. 2:1 E. 1:2:1

Biology & Microbiology

Differentiate between genotype, phenotype, and allele frequencies. What will be an ideal response?

Biology & Microbiology

The most commonly used unit for measuring cell size is a ____

a. decimeter (dm) b. centimeter (cm) c. millimeter (mm) d. micrometer (?m) e. nanometer (nm)

Biology & Microbiology