The rate at which a substance passes through a semipermeable membrane is determined by the diffusivity D cm2/spof the gas. Dvaries with the membrane temperatureT Kpaccording to the Arrhenius equation

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes