Abstract
EMS-induced and naturally occurring chlorophyll mutations on homoeolgous chromosomes were tested for homoeoallelism. In F 1 's of crosses between phenotypically similar recessive chlorophyll mutations, the mutant genes complemented each other only partially or not at all, indicating that the mutant genes are functionally similar, although located on chromosomes with different evolutionary histories. Thus they cannot be called alleles. This type of relationship is referred to as homoeoallelism. The chlorina mutations, chlorina-1 on chromosome 7A, chlorina-448 on 7B and chlorina-214 on 7D, presumably represent a homoeoallelic series. Viridis-508 on chromosome 3A and Neatby's virescent on 3B are also homoeoalleles. These loci are presumably identical in ancestry.
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Claims 5
Claim · model-written summary
Similar recessive chlorophyll mutant genes complemented only partly or not at all in F1 crosses.
- Taxon
- TRITICUM AESTIVUM
Triticum aestivumt0 - Organ / stage
- F 1 'se0
- Outcome
- mutant genes complemented each other only partially or not at alle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In F 1 's of crosses between phenotypically similar recessive chlorophyll mutations, the mutant genes complemented each other only partially or not at all”
t0“TRITICUM AESTIVUM”
Claim · model-written summary
The authors infer that the mutant genes have similar function but are not alleles.
- Taxon
- TRITICUM AESTIVUMTriticum aestivumt0
- Gene
- mutant genese0
- Outcome
- mutant genes are functionally similare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“indicating that the mutant genes are functionally similar, although located on chromosomes with different evolutionary histories. Thus they cannot be called alleles.”
t0“TRITICUM AESTIVUM”
Claim · model-written summary
The three chlorina mutations presumably form a homoeoallelic series.
- Taxon
- TRITICUM AESTIVUMTriticum aestivumt0
- Gene
- chlorina-1 on chromosome 7A, chlorina-448 on 7B and chlorina-214 on 7De0
- Outcome
- homoeoallelic seriese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The chlorina mutations, chlorina-1 on chromosome 7A, chlorina-448 on 7B and chlorina-214 on 7D, presumably represent a homoeoallelic series.”
t0“TRITICUM AESTIVUM”
Claim · model-written summary
Viridis-508 and Neatby’s virescent are also homoeoalleles.
- Taxon
- TRITICUM AESTIVUMTriticum aestivumt0
- Gene
- Viridis-508 on chromosome 3A and Neatby's virescent on 3Be0
- Outcome
- homoeoallelese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Viridis-508 on chromosome 3A and Neatby's virescent on 3B are also homoeoalleles.”
t0“TRITICUM AESTIVUM”
Claim · model-written summary
The authors infer these loci have identical ancestry.
- Taxon
- TRITICUM AESTIVUMTriticum aestivumt0
- Gene
- Viridis-508 on chromosome 3A and Neatby's virescent on 3Be1
- Outcome
- identical in ancestrye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These loci are presumably identical in ancestry.”
e1“Viridis-508 on chromosome 3A and Neatby's virescent on 3B”
t0“TRITICUM AESTIVUM”