1. bookVolume 68 (2019): Issue 1 (January 2019)
Journal Details
First Published
22 Feb 2016
Publication timeframe
1 time per year
access type Open Access

B-Chromosomes in Gymnosperms

Published Online: 15 Jun 2019
Volume & Issue: Volume 68 (2019) - Issue 1 (January 2019)
Page range: 51 - 54
Journal Details
First Published
22 Feb 2016
Publication timeframe
1 time per year

B-chromosomes show a non-random distribution in different taxa of gymnosperms. They are generally smaller and show similar centromeric position as the normal complement and are heterochromatic in nature and may show DAPI or CMA banding. They are generally devoid of any gene content, do not pair at meiosis and show accumulation through female line. They show incremental effect on genome size and some adaptive value in particular ecological conditions.


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