Test-cross

2 definitions found

From WordNet (r) 2.0 [wn]:

  test-cross
       n : 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 [syn: {testcross}]



From WordNet (r) 2.0 [wn]:

  testcross
       n : 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 [syn: {test-cross}]