During the early stages of embryo development, dolphins have gill pouches. what does this mean?
a. dolphins evolved from fish.
b. fish evolved from dolphins.
c. dolphin embryos go through a fish phase during development.
d. dolphins and fish share a distant, common ancestor.

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