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?

Question

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?

Quizplus · Accepted Answer

According to the phylogenetic tree, jak2b is most closely related to jak2a, as they are both in the same clade. Therefore, jak2a would be a paralog to jak2b.

Refer to the Figure