ChromomereThe term applied by Wilson (1896) to each of the serially aligned granules of a
chromosome, best seen when the thread is relatively elongated as in early
prophase 1 of
meiosis(Gk. chroma, colour; meros, part).
Related Terms:
Chromosome ...
Full article >>>Chromomere One of the serially aligned beads or granules of a eukaryotic
chromosome, resulting from local coiling of a continuous
DNA thread.
Chromosomal
deletion The loss of part of a
chromosome's
DNA.
Full article >>>chromomere One of the
chromatin granules of
characteristic size on the
chromosome; may be identical with a
gene or a cluster of genes.
chromonema A convoluted thread in
prophase of
mitosis or the central thread in a
chromosome.
Full article >>>The
chromosome strands (20 nm diameter fibers consisting of two double
strands of
DNA) are dotted with about 5000
chromomeres (dark staining irregular structures also seen in
interphase chromosomes).
Full article >>>In this phase,
chromosomes shorten and become visible as single threadlike structures. Beaded appearances, if any, are due to the alternation of densely stained
chromomeres in comparison with non-staining areas.
Full article >>>Chromosomes of amphibian
oocytes having loops suggestive of a
lampbrush. Large
chromosomes found in amphibian eggs, with
lateral DNA loops, extending from
chromomeres, producing a brushlike appearance under the
microscope.
Full article >>>'"/>