Chance Fluctuations of Allele Frequencies in the Gene Pool of a Population

question 44

Multiple Choice

Chance fluctuations of allele frequencies in the gene pool of a population:

• A)come about due to random events at the population level.
• B)illustrate the operation of polygenes.
• C)illustrate the phenomenon of incomplete dominance of the allele for normal hemoglobin.
• D)come about due to random events at the individual level.
• E)indicate that the species is endangered.

---

Definitions:

Nucleotide Sequence

A nucleotide sequence is the precise linear order of nucleotides within a DNA or RNA molecule, determining genetic information.

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both amino and carboxylic acid functional groups.

Codon

A sequence of three nucleotides in mRNA that specifies the addition of a specific amino acid or the release of a polypeptide chain during protein synthesis.

Alanine

A non-essential amino acid used in the biosynthesis of proteins.