Answer: heterozygous individuals.
- A homozygous dominants
- B heterozygous individuals
- C homozygous recessives
- D newly mutated alleles
Correct answer: B. heterozygous individuals
Explanation: In the Hardy-Weinberg expansion, p<sup>2</sup> is the homozygous dominant frequency, q<sup>2</sup> the homozygous recessive, and 2pq the heterozygotes.
A simple phylogenetic tree: a common ancestor branches into several descendant lineages over time, with each branch point marking a speciation event.
Concept context
Origin of life, Darwin's theory, natural selection, speciation, and evidence for evolution.