Genetic conflict and sex chromosome evolution game in Little Rock

Publication types Research Support, N. We also incorporated the four fossil-based node calibrations used in Yuan et al. However, in many arthropods, females grow larger than males and this is often explained by female fecundity that positively correlates with size Blanckenhorn

It is possible that environmental factors temperature played a role, which is still the case for crocodiles today. The evolutionary dynamics of repetitive DNA in eukaryotes. Y fuse? Salvadori, S. The chosen ratio of probe vs.

G3 7, —

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They seem to be so important that mutations in them can't accumulate genetic conflict and sex chromosome evolution game in Little Rock any individual with a mutation damaging one of these genes would die or be unable to reproduce. Novel sex-determining genes in fish and sex chromosome evolution.

Sex determination: why so many ways of doing it? However, recently published research contradicts this idea. The evolutionary dynamics of repetitive DNA in eukaryotes. Respiratory responses to hypoxia in relation to mode of life of two erythrinid species Hoplias malabaricus and Hoplias lacerdae.

Previous studies on male meiosis showed stabilized pachytene sex trivalents, as well as asynapsis in the region of presumed sequence divergences Bertollo and Mestriner,thus pointing to a putative sex-specific region.

  • House mouse by Wenfei Tong. Have you thought that not all the genes in your body might have the same evolutionary interests?
  • Human Y chromosome on the left; X chromosome on the right.
  • Heteromorphic sex chromosomes, where one sex has two different types of sex chromosomes, face very different evolutionary consequences than do autosomes.
  • The Erythrinidae family Teleostei: Characiformes is a small Neotropical fish group with a wide distribution throughout South America, where Hoplias malabaricus corresponds to the most widespread and cytogenetically studied taxon.
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References 1. Sexual reproduction is costly for an organism. GSD predominates at high altitudes where there is no advantage for early-born females and between-year variance in temperature is high [49]. Note that the sex chromosomes are not drawn to scale.

Genetic conflict and sex chromosome evolution game in Little Rock

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