Which statement describes a primary mutant screen?

A) A researcher uses CRISPR to create mutations in mouse homologs of three genes that function in heart development in the fruit fly.
B) A scientist uses RNAi to simultaneously knock down the expression of two genes in C. elegans to determine whether they function redundantly.
C) A scientist examines a large number of mutagenized zebrafish embryos for abnormalities in blood vessel formation.
D) A researcher treats a large number of Arabidopsis plants with different chemicals to determine which chemicals inhibit plant growth.


C) A scientist examines a large number of mutagenized zebrafish embryos for abnormalities in blood vessel formation.

Biology & Microbiology

You might also like to view...

In the respiratory tract, ciliated cells constantly sweep mucus that contains trapped foreign matter

a. True b. False

Biology & Microbiology

This type of RNA is typically found as a strand about 75?90 bases long that folds into a structure with

four double-helical segments.

a. snRNA b. pre-mRNA c. rRNA d. tRNA e. mRNA

Biology & Microbiology

A stroke may occur when

a. a vessel in the brain ruptures. b. a vessel in the heart ruptures. c. a vessel in the brain is blocked by a clot. d. a vessel in the heart is blocked by a clot. e. a vessel in the heart ruptures, and a vessel in the brain is blocked by a clot

Biology & Microbiology

The oldest known anthropoid fossil is ____, found in China and Myanmar

a. Eosimias b. Branisella c. Ardipithecus d. Dryopithecus e. Aegyptopithicus

Biology & Microbiology