testcross

noun

test·​cross ˈtes(t)-ˌkrȯs How to pronounce testcross (audio)
: a genetic cross between a homozygous recessive individual and a corresponding suspected heterozygote to determine the genotype of the latter
testcross transitive verb

Word History

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of testcross was in 1934

Dictionary Entries Near testcross

Cite this Entry

“Testcross.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/testcross. Accessed 9 Dec. 2022.

Kids Definition

testcross

noun
test·​cross ˈtest-ˌkrȯs How to pronounce testcross (audio)
ˈtes-
: a cross between an individual displaying a recessive trait and one displaying a dominant trait to determine whether or not the dominant trait is heterozygous

Medical Definition

testcross

noun
test·​cross ˈtes(t)-ˌkrȯs How to pronounce testcross (audio)
: a genetic cross between a homozygous recessive individual and a corresponding suspected heterozygote to determine the genotype of the latter
testcross transitive verb

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