HELP QUICK!! which elements are most common in a molecule of lactose?
1. copper and nitrogen
2. carbon and hydrogen
3. iron and phosphorus

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