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1. Dictionary

   homologous

   /həˈmɒləɡəs/

   adjective

   • 1. having the same relation, relative position, or structure.
   • ▪ (of organs) similar in position, structure, and evolutionary origin but not necessarily in function: "a seal's flipper is homologous with the human arm"
   • ▪ (of chromosomes) pairing at meiosis and having the same structural features and pattern of genes.
   • ▪ (of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms.

   Word Origin mid 17th century: via medieval Latin from Greek homologos ‘agreeing, consistent’, from homos ‘same’ + logos ‘ratio, proportion’.

   Scrabble Points: 16

   • H

     4

   • O

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   • O

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   More definitions, origin and scrabble points

2. www.britannica.com › science › homology-evolutionHomology | Morphology, Comparative Anatomy & Genetics

   www.britannica.com › science › homology-evolution

   • Cached

   Jun 13, 2024 · Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. Homology is contrasted with analogy, which is a functional similarity of structure based not upon common evolutionary origins.

   • Analogy

     analogy, in biology, similarity of function and superficial...

3. www.genome.gov › genetics-glossary › homologous-recombinationHomologous Recombination - National Human Genome Research...

   www.genome.gov › genetics-glossary › homologous-recombination

   • Cached

   16 hours ago · Homologous recombination is a type of genetic recombination in which nucleotide sequences are exchanged between two similar or identical molecules of DNA.

4. Videos

   • 2:28

     youtube.com

     Homologous Structure in Evolutionary Biology

     10 Nov 2017

     32.6K views

   • 6:48

     youtube.com

     Evidence of Evolution - Homologous, Analogous, & Vestigial Structures

     20 Mar 2022

     29.1K views

   • 1:53

     youtube.com

     Homologous Structures vs Analogous Structures | Key Differences

     25 Oct 2016

     608K views

   View all

5. en.wikipedia.org › wiki › GeneGene - Wikipedia

   en.wikipedia.org › wiki › Gene

   • Cached

   4 days ago · Sequence homology. The relationship between genes can be measured by comparing the sequences of their DNA. If the level of similarity exceeds a minimum value, one can conclude that the genes descend from a common ancestor; they are homologous.

6. quizlet.com › sg › 820014281organic chemistry Flashcards | Quizlet

   quizlet.com › sg › 820014281

   • Cached

   Jun 29, 2024 · Study with Quizlet and memorize flashcards containing terms like define homologous series, why do compounds in the same homologous series have similar chemical properties, define functional group and more.

7. www.vedantu.com › question-answer › distinguish-betweenDistinguish between homologous and analogous organs. - Vedantu

   www.vedantu.com › question-answer › distinguish-between

   • Cached

   Jun 26, 2024 · Homologous structures share an identical embryonic origin; analogous organs have an identical function. For instance, the bones within the front flipper of a whale are homologous to the bones within the human arm. These structures aren't analogous.

8. www.vocabulary.com › dictionary › homologyHomology - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › homology

   1 day ago · Definitions of homology. noun. the quality of being similar or corresponding in position or value or structure or function. see more. see less. type of: similarity. the quality of being similar.

9. en.wikipedia.org › wiki › PolyploidyPolyploidy - Wikipedia

   en.wikipedia.org › wiki › Polyploidy

   • Cached

   Jun 23, 2024 · Polyploidy is a condition in which the cells of an organism have more than one pair of ( homologous) chromosomes.