The Behavior in Successive Nuclear Divisions of a Chromosome Broken at Meiosis

The Behavior in Successive Nuclear Divisions of a Chromosome Broken at Meiosis

Contributor(s):
McClintock, Barbara, 1902-1992
Proceedings of the National Academy of Sciences of the United States of America
Publication:
National Academy Press (U.S.), 1939
Language(s):
English
Format:
Text
Subject(s):
Meiosis
Chromosomes
Chromosome Breakage
Crossing Over, Genetic
Genre(s):
Archival Materials
Articles
Abstract:
After reporting her observations of ring chromosomes, McClintock followed broken chromatids through successive cycles of cell division, in which she could observe the behavior of the "monstrous" chromosome 9 through meiosis and crossing-over. McClintock reported in a long series of articles that the chromatid breakage-fusion-bridge (BFB) cycle occurred only in the germ cells and endosperm, while the chromosome BFB continued in the sporophyte, which meant that she could selectively produce persistent variegation in plant tissues.
Copyright:
This item may be under copyright protection; contact the copyright owner for permission before re-use.
Extent:
12 pages
NLM Unique ID:
101584613X23 (See in Profiles in Science)
Profiles in Science ID:
LLBBCC
Permanent Link:
http://resource.nlm.nih.gov/101584613X23
Archival Collection:
The Barbara McClintock Papers (Profiles in Science)