Question

PLEASE HELP I NEED SOMEONE TO POST THE ANSWERS I'M VERY BEHIND -- If a mutation occurs in the gene for the lac repressor and results in a repressor that does not bind lactose, which of the following will be observed?

The mutant will not be able to grow on lactose.
The mutant will only be able to grow on lactose.
The mutant will be able to grow on lactose and on other sugars.
The mutant will be harmed by the presence of lactose. Which of the following frameshift mutations might be expected to have the least impact on an organism?

Answer 1

"The mutant will not be able to grow on lactose" is the one thing among the following choices given in the question that will be observed if mutation occurs in the gene for the lac repressor and results in a repressor thatdoes not bind lactose. The correct option among all the options that are given in the question is the first option.