Answer:
A monohybrid cross is defined as the cross happening in the F1 generation offspring of parents differing in one trait only.
Explanation:
A dihybrid cross is a cross happens F1 generation offspring of differing in two traits.
It's false, in eukaryotes DNA replication proceeds in two directions along the DNA molecule.
Answer:
B
Explanation:
Helicase is the enzyme that unwinds the DNA by breaking hydrogen bonds between the two strands. It forms the so called replication fork.