Current Genomics. Journal Reference : Daniel J. Motara and Rai also noticed some cytological differences consistent with differentiation of the SDR between the X and Y chromosomes of Ae. This discrepancy between the studies could have arisen due to population differences.
However, early studies reported that reciprocal F1 hybrid females experienced disproportionate sterility compared with hybrid males Hogan and Fontana, PLoS Biol. External link.
Crossing over sex chromosomes in Townsville Всё
Here, we provide compelling genetic evidence that, despite apparent homomorphy, sex chromosomes in Ae. Only ten supercontigs 2. Maternal effects and cytonuclear incompatibilities have previously been implicated in deviations from Haldane's rule for inviability Sawamura et al.
The pseudoautosomal regions get their name because any genes within them so far at least 29 have been found  are inherited just like any autosomal genes. PAR1 comprises 2.
Genes are mixed during the gamete formation or the sex cell formation by meiosis.
Chapter List. The phenomenon of tendency of linked genes to inherit together in the same combination for more than two generation is called linkage.
Chromosomal crossover , or crossing over , is the exchange of genetic material during sexual reproduction between two homologous chromosomes ' non-sister chromatids that results in recombinant chromosomes.
Markers are displayed with white internal ticks with position cM on the scale. Ary A. Canadian Journal of Zoology 83 : —