Constructing overlapping sets of clones by detecting DNA sequence homology is a powerful and rapid strategy for clone mapping.
They share amino acid sequence homology and core structural similarity to a specific class of major histones but also have their own feature that is distinct from the major histones.
All the genes in the mammalian Hox clusters show some sequence homology to each other (especially in their homeobox) but very strong sequence homology to the equivalent genes in Drosophila.
Concerted (coincidental) evolution: The preservation of sequence homology among members of a multigene family within the same species.
Unlike RecA mediated recombination, site-specific recombination requires little sequence homology between the two DNA molecules. The best understood example is the integration of lambda into the E.
In this case study you will learn about the mating calls of Physalaemus frogs, and how the calls have evolved over time. You also will see how scientists use molecular information to develop an evolutionary tree based on sequence homology.
TIGRFAM protein families are generated from curated multiple sequence alignments and Hidden Markov Models. Curated families are also associated to functional roles to facilitate automated functional identification of proteins by sequence homology.
 See also: Homology, Sequence, Trans, DNA, Gene
  
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