問題詳情
69. A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of thefollowing genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?
(A) genes involved in eye-lens synthesis
(B) genes that cause radial body symmetry
(C) genes involved in chitin synthesis
(D) collagen genes
(E) beta-catenin genes
(A) genes involved in eye-lens synthesis
(B) genes that cause radial body symmetry
(C) genes involved in chitin synthesis
(D) collagen genes
(E) beta-catenin genes
參考答案
答案：D
難度：困難0.375
統計：A(1),B(2),C(0),D(3),E(0)
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