Pedigree D is most likely X-linked dominant. What is/are the genotype(s) of the parent(s) that transmitted the mutant allele(s) to their offspring

When plants use sunlight to make food, the energy of sunlight is

Can a trait be both polygenic and have multiple alleles? explain why or why not.

The diagram below shows the layers of a rock having a trilobite: a rock column labeled rock is shown. the column has three layers. the bottommost layer of the rock has one shaded rhomboid shape, the middle layer has a rhombus with a diagonal along with two identical organisms marked as, trilobite, in the key, the top layer has two semicircles. a key is shown on the right side of the diagram. the shaded rhombus is marked as a, the rhombus with the diagonal is marked as b, the semicircle is marked as c which statement about the rock fossils is true?