In knockout experiments,

a. genes are removed from chromosomes.
b. normal genes are replaced physically by mutated
genes.
c. wild type genes are mutated to prevent their
transcription or translation.
d. mRNAs are prevented from attaching to
ribosomes.
e. the protein products of specific genes are
inactivated.


Answer: c

Biology & Microbiology

You might also like to view...

All organisms in an ecosystem take part in a hierarchy of feeding relationships called __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

The somatic subdivision of the vertebrate nervous system would innervate which of the following?

a. intestinal muscles b. liver c. heart d. pancreas e. skeletal muscles

Biology & Microbiology

Some biologists are considering adopting a different classification scheme based on common ancestorscalled:a

BioDiversity. b. the biological BarCode. c. the phylogical guide. d. the molecular blueprint. e. PhyloCode.

Biology & Microbiology

A polar body

A) is a structure found at one pole of a mature egg. B) can be fertilized by a sperm. C) nourishes the egg until it is fertilized. D) is formed at the same time as a primary oocyte. E) is a discarded set of chromosomes.

Biology & Microbiology