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Map evolutionary tree is shown below. Similar genes are represented by boxes. The letters X Yand Z represent different species. Similarly colored genes designate genes present in the same species. h Use the hypothetical evolutionary tree below to answer the following three questions. ancestral gene speciation 1 Similarly colored genes designate genes resent in the same species (species X, Y, or duplication 1 For example, the pinkgenes-Za Zpi, and Zß2- are present in species Z speciation 2 duplication 2

Explanation / Answer

Homologs: Homologs have common ancestors or point of origin. So, here the homologs are,

Orthologs: They are genes in different species that have evolved from common gene. Here, ortholog is,

Paralogs: They are the genes related by duplication within a genome. Here, paralogs are,

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