Choose the Most Appropriate Letter for Each

question 55

Multiple Choice

Choose the most appropriate letter for each.
-gene pool

• A)a reference point that implies stability of gene frequencies through generations
• B)a hallmark is reproductive isolation from other groups
• C)the genes of an entire population
• D)the frequency of homozygous dominants in a population
• E)the frequencies of dominant and recessive alleles in a population
• F)the frequency of heterozygotes in a population
• G)the frequency of homozygous recessives in a population
• H)selection that occurs in environments favorable to heterozygotes
• I)results in pesticide-resistant pests

---

Definitions:

Equivalent Atoms

Equivalent atoms are atoms in a molecule that are indistinguishable from each other in their chemical environment, resulting in identical physical and chemical properties.

Lone Pairs

Pairs of valence electrons that are not shared with another atom and not involved in bonding in a molecule.

Acetylene

A hydrocarbon and the simplest alkyne, with the formula C2H2, used as a fuel and a chemical building block.

Ethyne

A colorless hydrocarbon gas with the formula C2H2, known for its use in welding as acetylene.