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Fig. 2 | BMC Genomics

Fig. 2

From: Identification of recombination events in outbred species with next-generation sequencing data

Fig. 2

Procedures for identifying recombination events with a haplotype block inherited from one parent. a The haplotype blocks at the same SNP sites for two parents are shown. At these sites, the genotypes are all heterozygous in the female P. deltoides, but homozygous in the male P. simonii. b The homozygous allele is denoted by ‘a’ and the other allele in a heterozygote by ‘b’ at each SNP. c One progeny is genotyped with notations of ‘aa’ and ‘ab’ at those SNPs. d The haplotype blocks of this progeny can be discriminated, one (blue) from the male parent and the other (yellow/red) from the female. The haplotype block from the female carries recombinant information, in which the first red fragment (< 2 kb) from the top is considered to be a product of gene conversion and the junction between the second yellow and red fragments (> 10 kb) a crossover. e The alleles on the haplotype blocks of the progeny are labelled with base notations as they were

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