test cross


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test cross

in experimental genetics, a deliberate mating designed to test claims about the pattern of inheritance of one or more traits.
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This was not the tough test Cross could have done with ahead of that clash, but shrewd manager Tony McEntee will ensure a fiercely competitive environment exists in-house, a policy which has served the club specialists so well.
The test cross data pertaining to the crosses between these [F.sub.1] plants and the four USDA-ARS introductions possessing specific genes for seed color, showed a 1 brown: 1 yellow ratio with Minerva, in which yellow seed color is assumed to be conditioned by the g locus.
The test cross data pertaining to these crosses gave a 1 brown: 1 yellow ratio with Minerva and Bolley Golden, which indicated that the loci involved in imparting yellow seed color in the CDC recessive yellow parents and European recessive yellow parent were g and d, respectively (Table 5).
Triple test cross analysis of disomically inherited traits expressed in triploid tissues.
rapifera (swedes): augmented triple test cross analysis of yield.
Analysis of genotype x environment interaction in triple test cross data.
The method for detecting epistasis was triple test cross (Kearsey and Jinks, 1968) as modified by Ketata et al.
Thus, this marker is Appropriate when transferring [S-5.sup.n] into temperate japonica cultivars, in which case the test cross would be japonica/javanica//indica.
% Jay 30 40 OSG-13 30 27 Embryogen-P 30 100 [F.sub.1] 603 96 [F.sub.2] (E x E) 513 96 [F.sub.2] (Ne X Ne) 708 97 [BC.sub.1] 414 96 Test cross 495 95 Callus with quality rating([dagger]) Population/cross 1 2 3 % Jay 83.3 16.7 0 OSG-13 87.5 12.5 0 Embryogen-P 0 6.7 93.3 [F.sub.1] 49.2 26.4 24.4 [F.sub.2] (E x E) 17.7 30.1 52.2 [F.sub.2] (Ne X Ne) 53.1 42.5 4.4 [BC.sub.1] 56.6 22.6 20.8 Test cross 46.6 26.9 26.5 Population/cross Explants forming embryos % Jay 0 OSG-13 0 Embryogen-P 100 [F.sub.1] 32.3 [F.sub.2] (E x E) 61.4 [F.sub.2] (Ne X Ne) 7.6 [BC.sub.1] 26.1 Test cross 28.5
Nematode resistant [F.sub.2]B[C.sub.5] plants were individually test crossed to a susceptible line.
Twenty-four test crosses of heterozygous normal produced progeny segregating to a reasonable fit to a 1:1 ratio (145:120).
The 1984 selection was planted in the 1986 ARDC nursery, and a selection was test crossed to KS 79-2068[A.sub.1] (a CMS A-line from W.D.