Which of the following fossil types is best described as forming when minerals replace all or part of an organism's body? A. a mold
B. a petrified fossil
C. a cast
D. a trace fossil

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