8–11% of the AP exam. Key topics: Meiosis I and II: stages, chromosome behavior, comparison with mitosis, Sources of genetic variation: crossing over (recombination), independent assortment, random fertilization, Mendelian genetics: law of segregation, law of independent assortment, Monohybrid and dihybrid crosses using Punnett squares, Dominant, recessive, and codominant alleles; incomplete dominance, Sex-linked (X-linked) inheritance patterns, Polygenic traits and continuous variation, Chi-square (χ²) statistical test for goodness-of-fit in genetics problems.
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
