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Definition of Test-cross
1. Noun. A cross between an organism whose genotype for a certain trait is unknown and an organism that is homozygous recessive for that trait so the unknown genotype can be determined from that of the offspring.
Generic synonyms: Cross, Crossbreeding, Crossing, Hybridisation, Hybridization, Hybridizing, Interbreeding
Lexicographical Neighbors of Test-cross
Literary usage of Test-cross
Below you will find example usage of this term as found in modern and/or classical literature:
1. Rice Genetics: Proceedings of the International Rice Workshop at Lusaka by International Rice Research Institute (1986)
"In self-pollinating species like rice it is obviously easier and hence less costly
to raise F3 than triple test cross families. Indeed, since F3 families ..."
2. Two-line Hybrid Rice Breeding Manual by Sant S. Virmani (2003)
"... can be advanced to the re-testcross to confirm the results of the preliminary
test- cross. About 50-100 single plants are needed for the re-testcross. ..."
3. Paving Brick and Paving Brick Clays of Illinois by Charles Wesley Rolfe, Ross C. Purdy, Arthur Newell Talbot, Ira Osborn Baker (1908)
"... information which may permit it to take the place of the crushing test.
CROSS-BREAKING TEST. The cross-breaking test is for the purpose of determining ..."
4. Advances in Hybrid Rice Technology: Proceedings of the 3rd International by Sant S. Virmani, E. A. Siddiq, K. Muralidharan (1998)
"Preliminary yield-trial results at IRRI showed standard heterosis reaching 1-
1.6 t ha"1 for some of the two-line test-cross hybrids (Lopez and Virmani ..."
5. Practical physiological chemistry by Philip Bovier Hawk (1918)
"Hydrochloric Acid — Zinc Chloride Solubility Test (Cross and Sevan).5 — Place a
little absorbent cotton in a test-tube, add Cross and Sevan's reagent,' and ..."
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