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Refer to the Figure

Question 245

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Refer to the figure. Refer to the figure. Members of the JAK family of nonreceptor kinases are involved in signaling pathways.The four paralogs JAK1, JAK2, JAK3, and TYK2 are found in humans, mice, chickens, and fish, as shown in the phylogenetic tree.According to this phylogenetic gene tree, which gene is a paralog to jak2b? A) tyk2 B) jak1 C) jak2 D) jak2a E) jak3 Members of the JAK family of nonreceptor kinases are involved in signaling pathways.The four paralogs JAK1, JAK2, JAK3, and TYK2 are found in humans, mice, chickens, and fish, as shown in the phylogenetic tree.According to this phylogenetic gene tree, which gene is a paralog to jak2b?


A) tyk2
B) jak1
C) jak2
D) jak2a
E) jak3

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