When a warm front is approaching, what happens? A. advancing cold air pushes up and over retreating warm air causing warm temperatures and mild rain
B. advancing cold air pushes up and over retreating warm air causing warm temperatures and mild rain

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