What is meant by a gene knockout?
What will be an ideal response?
The designed loss of a specific gene in order to study its function. This is often accomplished in the context of a conditional knockout, where the gene is affected in some tissue types but not others, allowing genes to be studied for which complete loss would be lethal.
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Which of the following are incorrectly matched for a single-factor cross?
A. P generation / true breeding B. F1 generation / monohybrid C. F2 generation / result of F1 cross D. F1 generation / result of P cross E. F2 generation / result of P cross
Organisms that use CO2 as their source of carbon are called
A. organotrophs. B. heterotrophs. C. autotrophs. D. chemotrophs.
True or False: There are safe and effective HIV-2 vaccines available, but because HIV-1 has such high genetic variability, the vaccines are of little use to prevent AIDS
a. TRUE b. FALSE
The amino acid targets of protein kinases in all GPCR pathways are ____
a. serine and glycine b. serine and tyrosine c. serine and threonine d. glycine and tyrosine e. glycine and threonine