Dictionary Thesaurus Word Dynamo Quotes Reference Translator Spanish

testcross

[test-kraws, -kros]

noun

a genetic test for heterozygosity in which an organism of dominant phenotype, but unknown genotype, is crossed to an organism recessive for all markers in question.

Origin:
1930–35; test¹ + cross

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source

Link To testcross

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Testcross is always a great word to know.

So is doohickey. Does it mean:

a stew of meat, vegetables, potatoes, etc.

a gadget; dingus; thingumbob.

LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...

WordNet

testcross
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

Word Dynamo Rating For Testcross

People who can define Testcross may know 20,047 words, as many as a 7th grader.

How many words do you know?

Enjoy Dictionary.com ad-free! Learn more

Quote Of The Day

"Opinions are not to be learned by rote, like the letters of an alphabet, or the words of a dictionary. They are conclusions to be formed, and formed by each individual in the sacred and free citadel of the mind, and there enshrined beyond the arm of law to reach, or force to shake; ay! and beyond the right of impertinent curiosity to violate, or presumptuous arrogance to threaten."

-Frances Wright

Partners:Word Bloglines Citysearch The Daily Beast Ask Answers Ask Kids Life123 Sendori Thesaurus

About Privacy Policy Terms of Use API Careers Advertise with Us Contact Us Help

testcross

test·cross