Calculating Hardy–Weinberg expectations

Biologia IBPaper 1A, maj 2026, TZ3wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 39

A population of 2000 individuals is in Hardy–Weinberg equilibrium at a two-allele locus. The recessive homozygote frequency is 9%. How many heterozygotes are expected? Use p + q = 1 and p² + 2pq + q² = 1. A. 180 B. 420 C. 840 D. 980

Biologia IBPaper 1B, maj 2025, TZ1wzorowane3 pktotwarteśrednie (szac.)

Zadanie 4d

Discuss the usefulness and limitations of the Hardy–Weinberg model in population genetics.

• Materiał graficzny

Biologia IBPaper 2, maj 2025, TZ2wzorowane16 pktotwarteśrednie (szac.)

Zadanie 9

Biologists use inherited similarities and differences to investigate population change and relationships. (a) Describe how homologous structures provide evidence for evolution. (b) Outline the assumptions and use of Hardy–Weinberg calculations in a population…

Biologia IBPaper 1A, listopad 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 38

At a two-allele locus in Hardy–Weinberg equilibrium, the dominant allele frequency is0.65. What fraction is expected to show the recessive phenotype? A. 0.4225 B. 0.1225 C. 0.35 D. 0.455