What best describes orthologues genes? Two genes in the same species that derive from two ancestral genes Two genes in the same species that derive from gene duplication of a gene Three genes that having 80% sequence homology Two genes in two different species that derive from a common ancestral gene Four identical genes that reside in different chromosomes
Question
What best describes orthologues genes? Two genes in the same species that derive from two ancestral genes Two genes in the same species that derive from gene duplication of a gene Three genes that having 80% sequence homology Two genes in two different species that derive from a common ancestral gene Four identical genes that reside in different chromosomes
Solution
Orthologous genes are best described as two genes in two different species that derive from a common ancestral gene. These genes are often retained across species due to their essential functions. They can be identified based on sequence homology and are often used in comparative genomics to infer evolutionary relationships.
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