Which element in period 3 on the periodic table is a metalloid? magnesium (Mg)
aluminum (Al)
silicon (Si)
sulfur (S)

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