Compare observed and expected offspring counts with chi-squared and interpret a null hypothesis at a stated significance level.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2024–2026.
A model test cross investigates two autosomal loci in fruit flies. D (dark body) is dominant to d (pale body), and K (long wing) is dominant to k (short wing). A DdKk fly is crossed with ddkk. (i) Calculate the expected number for each phenotype under…
Outline a statistical test that could provide further evidence about the inheritance pattern.
A testcross of a double-heterozygous plant yields four phenotypic classes with counts 132, 28, 32 and 128. Independent assortment predicts equal proportions. The calculated chi-squared value is 125.2, compared with a 5% critical value of 7.815. What conclusion…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.