macromutation

[ mak-roh-myoo-tey-shuh n ]
/ ˌmæk roʊ myuˈteɪ ʃən /

noun Genetics.

a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.

QUIZZES

Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of macromutation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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