A biology student hiking in a forest happens upon an erect, 15-cm-tall plant that bears microphylls and a strobilus at its talle
st point. When disturbed, the cone emits a dense cloud of brownish dust. A pocket magnifying glass reveals the dust to be composed of tiny spheres with a high oil content.
Allele g is recessive, so over time, Allele G is expressed more and more (allele G is dominant) through either homozygous dominant (GG) or heterozygous dominant (Gg) while allele g is only expressed when there is an homozygous recessive (gg).
