## Mapping, combining abilities, heritabilities and heterosis with 4x x 2x crosses in potato |

### From inside the book

Results 1-3 of 11

Page viii

Frequency of 2n gametic output expected from FDR and SDR AB

chromatid exchange model.... 19 Table 3. Frequency of 2n g« genotypes in repul

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Frequency of 2n gametic output expected from FDR and SDR AB

**genotypes in****coupling**phase =^ with single and double exchange tetrads for a randomchromatid exchange model.... 19 Table 3. Frequency of 2n g« genotypes in repul

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Page ix

Frequencies of "parental" type of 2n gametes [A-; B-] from

phase =^ that form 2n gametes by SDR, depending on frequency of single and

double exchange tetrads, also expressed as map units from the centromere 24 ...

Frequencies of "parental" type of 2n gametes [A-; B-] from

**genotypes in coupling**phase =^ that form 2n gametes by SDR, depending on frequency of single and

double exchange tetrads, also expressed as map units from the centromere 24 ...

Page x

Frequencies of double recessive 2n gametes [aa;bb] from

phase =□ that form 2n gametes by FDR, depending on frequency of single and

double exchange tetrads, also expressed as map units from the centromere 29 ...

Frequencies of double recessive 2n gametes [aa;bb] from

**genotypes in coupling**phase =□ that form 2n gametes by FDR, depending on frequency of single and

double exchange tetrads, also expressed as map units from the centromere 29 ...

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### Contents

Genetic Mapping of Three Linked Genes | 34 |

Results | 78 |

Comparisons between 2x FDRCO and 2x FDRNCO | 94 |

2 other sections not shown

### Common terms and phrases

2n eggs 2n gamete formation 2x clones 2x crosses 2x FDR-CO 2x genotypes 2x level 2x parents 4x cultivars 4x progeny 4x x 2x centromere chromosome combining abilities coupling phase cytokinesis depending on frequency diploid distal locus division restitution dominance variance double crossovers double exchange tetrads endosperm epistasis epistatic estimates expressed as map FDR and SDR FDR or SDR form 2n gametes form 2n pollen Frequencies of parental frequency of single gametic series produced GCA variance genotypes in coupling haploid heterosis heterozygosity heterozygous heterozygous loci homozygous linked genes map units marketable tuber yield meiocytes mode of 2n periderm Phureja ploidy polyploidization potato progenies from 4x proximal locus random chromatid exchange repulsion phase rH rH S. J. Peloquin SDR mode SET.I single and double single exchange tetrads Solanum Solanum tuberosum specific gravity Table tetrad analysis tetraploid total tuber yield tuber shape types of 2n unpigmented