TESTCROSSING

Scrabble 15 Words With Friends 18

Scrabble letter values: T₁E₁S₁T₁C₃R₁O₁S₁S₁I₁N₁G₂ = 15

Definition

TESTCROSSING is the present participle of TESTCROSS.

noun TESTCROSS: 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.

Synonyms of TESTCROSS: test-cross

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