[
US
/hɑˈmɑɫəɡəs/
]
ADJECTIVE
-
having the same evolutionary origin but not necessarily the same function
the wing of a bat and the arm of a man are homologous -
corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species
a homologous tissue graft
How To Use homologous In A Sentence
- To take the chain of speculation one step further, this suggests that the maxilla itself was originally a flat dermal plate of some kind, possibly homologous to the superognathal of placoderms.
- Their tympanum is not homologous with the tympanum of mammals and saurians (extant diapsids) because it developed independently in all three groups.
- Our natural instinct is to analyze that as a homologous variation — Joplin must have got it from somewhere, perhaps the cavatina-cabaletta sequence of Italian opera, or perhaps Rossini overtures, or perhaps similarly obsessive passages in Chopin or Schumann. Categorical denials
- It is not easy to imagine two objects more widely different in appearance than a bristle or vibraculum, and an avicularium like the head of a bird; yet they are almost certainly homologous and have been developed from the same common source, namely a zooid with its cell. VII. Miscellaneous Objections to the Theory of Natural Selection
- Adaptationist arguments are essential because they suggest the function of homologous and analogous physiological structures.
- Waters thus defended “informal reduction,” in which molecular models of crossing-over between homologous chromosomes were shown to be explanatory, even though no derivational reduction was involved. Molecular Biology
- First, it generates crossovers between homologous chromosomes that mature into visible chiasmata.
- It is not homologous with the bilaterality of body plans characteristic of anthozoan groups.
- Homologous chromosomes are fully aligned at the pachytene stage, and germ cells survive to complete meiosis and gametogenesis with high efficiency.
- Professor Heer has not ventured to identify any of this vast assemblage of Miocene plants and insects with living species, so far at least as to assign to them the same specific names, but he presents us with a list of what he terms homologous forms, which are so like the living ones that he supposes the one to have been derived genealogically from the others. The Antiquity of Man
