testcross   (TTS Sound)

The testcross has 1 Senses.

• testcross, test-cross
• 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
• 遺伝子型の特定の特質が未知であり、未知の遺伝子型はその子孫からのみ計測できるために有機体が劣性のホモ接合性である有機体間の異種交配