Seed sexing revealed female bias in two Rumex species

Seed sexing revealed female bias in two Rumex species

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Sex-ratio bias in seeds iphone 14 price miami of dioecious Rumex species with sex chromosomes is an interesting and still unsettled issue.To resolve gender among seeds of R.acetosa and R.

thyrsiflorus (two species with an XX/XY1Y2 sex chromosome system), this work applied a PCR-based method involving DNA markers located on Y chromosomes.Both species showed female-biased primary sex ratios, with female bias greater in R.acetosa than in R.

thyrsiflorus.The observed predominance of female seeds is consistent with the view that the female att nighthawk hotspot biased sex ratios in Rumex are conditioned not only postzygotically but also prezygotically.