Answers.Body: <p>The current ensembl entry doesn't have a 29 either.  The archived ensembl assembly  lacks 29 30, and 31 and 33 and LGE64.</p>
  
  <p>The chromosomes after 30 are tiny, so they might not be visible in a karyotype.  They probably realized that "chr 29" was really attached to some other chromosome.</p>
  
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Answers.CreationDate: 2018-05-04T18:59:16.517Z
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Body: <p>The chromosome sizes at UCSC don't seem to contain chr29:</p>
  
  <p><a href="ftp://hgdownload.soe.ucsc.edu/goldenPath/galGal5/bigZips/galGal5.chrom.sizes" rel="nofollow noreferrer">ftp://hgdownload.soe.ucsc.edu/goldenPath/galGal5/bigZips/galGal5.chrom.sizes</a></p>
  
  <p>It has a chr28 and a chr30. Am I missing something or is there some piece of history that led to the omission of this chromosome?</p>
  
Tags: <genome><assembly><reference-genome><ucsc>
Title: Does the galGal5 chicken assembly have a chromosome 29?
ThreadText: # Does the galGal5 chicken assembly have a chromosome 29?
  
  (Asked by: username_0 on 2018-05-04)
  
  The chromosome sizes at UCSC don't seem to contain chr29:
  
  <ftp://hgdownload.soe.ucsc.edu/goldenPath/galGal5/bigZips/galGal5.chrom.sizes>
  
  It has a chr28 and a chr30. Am I missing something or is there some piece of history that led to the omission of this chromosome?
  
  **Tags:** genome, assembly, reference-genome, ucsc
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2018-05-04. Score: 2 | Accepted answer
  
  The current ensembl entry doesn't have a 29 either. The archived ensembl assembly lacks 29 30, and 31 and 33 and LGE64.
  
  The chromosomes after 30 are tiny, so they might not be visible in a karyotype. They probably realized that "chr 29" was really attached to some other chromosome.
  
  
  ---
  
  