Me currenlty after a break up/break down

Which of the following is a single-gene trait in humans? a.widow's peak hairline b.height c.intelligence

What is the role of dna helicase during dna replication? a. to unwind the duplex dna b. to attach primers to the replicating strands c. to add bases in the sugar-phosphate backbone reset

The outermost part of the brain, which is made up of tightly packed neurons and is only a tenth of an inch thick, is called the