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Two crosses between two plants or strains in which the male parent of one cross is the female parent of the second cross, for example A x B and B x A.
Crosses between the same two strains, but with the sexes reversed; e.g., female A × male B and male A × female B.
A pair of crosses, in one of which a female of genotype A mates with a male of genotype B and in the other of which a female of genotype B mates with a male of genotype A.
Pairs of genetic crosses which in one case DNA from strain #1 is transferred into strain #2 and in the second case the strain #2 is used as a donor to transfer the same region into strain #1. For example Cross A = donor ( pro::Tn10) x recipient ( pro+) Cross B = donor ( pro+) x recipient ( pro::Tn10)
A pair of crosses of the type genotype ¡Á genotype and genotype ¡Á genotype .
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