Which is a purpose for which a pedigree chart might be prepared? to determine the gender of a fetus to determine if a fetus has the correct number of chromosomes to identify chromosomal defects to identify the pattern of inheritance of a particular trait?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.