Question

How do embryonic development patterns provide evidence for the theory of evolution?

		The same early embryonic development across milllions of different animal species indicates that the DNA that codes for this development is the same across the species. This reflects their common ancestry.
		The same early embryonic development across millions of different animal species indicates that the DNA that codes for this development is different among these species. That's why they end up different.
		There are similarities between closely related species only.
		None of these is correct.

Answer 1

1st option is the correct answer

The same early embryonic development across milllions of different animal species indicates that the DNA that codes for this development is the same across the species. This reflects their common ancestry....... now It is true because when we study these developments it is commonly observed that the embryo of different animals shows similar type of early embryonic development for example humans have a tail like structure during their development that is lost by its birth.Another example is that the process of embryonic development looks similar in case of human arm and bat wing although they doesn't look similar in general.Genetic code(Set of instruction that is responsible for DNA's translation into Amino acids which are a unit of protein) is almost universal which means that every living being uses the same genetic code needed for the protein formation which in turn shows that all organisms shows a common evolutionary history having a  DNA that codes for the development is same across different species.

2nd and third are wrong because as i have written above that distantly related species like bat and human shows a similar type of embryonic development and we know that genetic code is universal and unambiguous