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Homologies


Homologies: Similarities in DNA or protein sequences between individuals of the same species or among different specie s.
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the more homologies they share, and
the more similar these homologies are.
Until recent decades, the study of homologies was limited to
anatomical structures and
pattern of embryonic development.
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Human-Mouse Homologies. LLNL researcher Lisa Stubbs (below) is shown in the Mouse Genetics Research Facility at ORNL.
[Source: ORNL] ...
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An evolutionary analysis of the peroxisomal proteome (Gabaldn et al. 2006) found homologies between the peroxisomal import machinery and the ERAD pathway in the Endoplasmic Reticulum, ...
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He pressed on with his work on barnacles and found "homologies" showing dramatically how organs could have changed functions to meet new conditions, supporting his theory.
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Shared derived characters; homologies that evolved in an ancestor common to all species on one branch of a fork in a cladogram, but not common to species on the other branch.
synapse
(sin-aps) [Gk. synapsis, a union] ...
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Gene superfamily: A large group of genes related (often poorly) by sequence homologies or by the structures of their products, and by their involvement in different aspects of the same larger process (e.g. immunoglobulin gene superfamily).
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