Which of the following is studied by a population geneticist?

a. How selective forces change the allele frequencies in a population over time
b. How genetic traits and ecosystems affect the migration patterns of populations
c. How embryological development impacts the expansion of a population
d. How evolution causes the development of multiple species within a population


a. How selective forces change the allele frequencies in a population over time

@A population geneticist will study how selective forces change the allele frequencies in a population over time.

Biology & Microbiology

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Which of the following is true concerning a somatic cell mutation?

A. A small fraction of the gametes carry the mutation. B. Half of the gametes carry the mutation. C. All of the gametes carry the mutation. D. Only a small group of cells within the organism is affected by the mutation. E. All cells within the organism are affected by the mutation.

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. Humans exert top-down pressures on white-tail deer. 2. Using insects from the original homeland to control invasive weeds is a form of biological control. 3. Resource partitioning enables similar species to coexist in a community. 4. Secondary metabolites can become essential feeding stimulants for some herbivores.

Biology & Microbiology

The number of individuals in a specified

portion of habitat is the population's a. distribution. b. carrying capacity. c. density. d. size. e. birth rate

Biology & Microbiology

Oxidation

A) involves the removal of oxygen atoms from a molecule. B) is endothermic. C) occurs when an atom accepts electrons. D) occurs when oxygen atoms are added to a molecule and energy released. E) is rare in biological reactions.

Biology & Microbiology