Human and fish embryos share a number of features. Why is this?
A)Humans and fish share a common ancestor.
B)Embryos of all organisms, plant and animal, look alike.
C)Mutations in human and fish embryos have caused them to look alike.
D)Humans and fish have exactly the same genes, but as they develop, different genes are turned on in fish than in humans.

Question

Quizplus · Accepted Answer

Humans and fish share a common ancestor, which means they inherited certain traits and features from their common ancestor. These shared features include similarities in embryonic development.

Human and Fish Embryos Share a Number of Features