Ancestral male recombination in Drosophila albomicans produced geographically restricted neo-Y chromosome haplotypes varying in age and onset of decay.

doi:10.1371/journal.pgen.1008502

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Article

Ancestral male recombination in Drosophila albomicans produced geographically restricted neo-Y chromosome haplotypes varying in age and onset of decay.

PLoS genetics - 1 Nov 2019

Wei Kevin H-C, Bachtrog Doris

Abstract excerpt

Male Drosophila typically have achiasmatic meiosis, and fusions between autosomes and the Y chromosome have repeatedly created non-recombining neo-Y chromosomes that degenerate. Intriguingly, Drosophila nasuta males recombine, but their close relative D. albomicans reverted back to achiasmy after evolving neo-sex chromosomes. Here we use genome-wide polymorphism data to reconstruct the complex evolutionary...

Topics

Alleles
Animals
Drosophila
Evolution, Molecular
Female
Haplotypes
Male
Meiosis
Phylogeny
Recombination, Genetic
X Chromosome
Y Chromosome

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Identifiers

PMID: 31738748
DOI: 10.1371/journal.pgen.1008502
PMCID: PMC6897423

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