Respuesta :
During recent research, genetic researchers have isolated the gene that determines the natural times a person sleeps and wakes.
Here's the issues with the sentence:
"During recent research," doesn't match the tense of "genetic researchers have isolated."
"The natural times a person sleeps and wakes" is over explanatory, and should be simplified.
Research is repeated.
Answer: B. Genetic researchers recently isolated the gene that determines a person's natural sleep cycle.
Hope this helps!
Here's the issues with the sentence:
"During recent research," doesn't match the tense of "genetic researchers have isolated."
"The natural times a person sleeps and wakes" is over explanatory, and should be simplified.
Research is repeated.
Answer: B. Genetic researchers recently isolated the gene that determines a person's natural sleep cycle.
Hope this helps!