Insertion I Duplication
A thymine is changed to an adenine in one DNA codon which causes a particular
disorder. Which statement explains how the change in the DNA codon leads to
this disorder?
The deletion mutation prevents the production of an important protein in the
organism.
The insertion mutation caused the production of extra protein in the organism.
The substitution causes a different protein to be produced in the organism.
The frameshift mutation stops the production of a protein in the organism.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.