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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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
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.
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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