QUESTION 9 What is the best evidence that O a The digestive tract is ventral to the nerve cord in verlebrates and dorsal to i in artbropods O d. Vertebrates start development as arthropods,then lio over QUESTION 10 2 DES QUESTION 2 The reason that we can use phylogenetic methods to identify who transmitted HIV to a Оа.HIV is an RNA virus that QUESTION 3 to QUESTION 9 What is the best evidence that O a The digestive tract is ventral to the nerve cord in verlebrates and dorsal to i in artbropods O d. Vertebrates start development as arthropods,then lio over QUESTION 10 2 DES QUESTION 2 The reason that we can use phylogenetic methods to identify who transmitted HIV to a Оа.HIV is an RNA virus that QUESTION 3 to
QN 9 C Developmental control genes expressed dorsally in vertebrates are ventrally in arthropods ,those expressed ventrally in vertebrates are expressed dorsally in arthropods. A is wrong because the pattern could have arisen independently from the same ancestral condition. Qn 2 HIV is a RNA virus that mutates rapidly enough that every population has a different population of variant. It is important that the sequence changes quickly but not so fast that the resemblance is erased.
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