test-cross

美 [test krɔːs]英 [test krɒs]

test-cross

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: Synonym: testcross

数据来源：WordNet

1

In 88 test-cross seeds , yields of 21 single plant was significant or special significant , which is higher than CK 3.85 % - 33.28 % .

在88个测交种中，有21个单株产量显著或极显著高于对照CK3.85%～33.28%。
2

Wild abortion ( WA ) type CMS line Jin 1A was used to test-cross with 33 American rice varieties and F_1 pollen fertility was tested .

利用野败型不育系缙1A对33份美国稻的恢保关系进行了测定，观测了F1的小穗育性。
3

In addition , a restorer line of 1575A was found after hybridizing with 168 test-cross materials ( including Brassica napus , Brassica juncea , Brassica related species ) in 2010.3 .

另外，在2010年扩大测交范围用168份测交材料（包括甘蓝型油菜、芥菜型油菜、油菜近缘种）对1575A进行测交，找到了一个1575A的恢复系。