Gene Inheritance Flashcards
0
Q
Describe the process and role of the cell cycle
A
G1 - cell prepares for DNA replication and cellular contents duplicated
S- DNA replication
G2 - cell prepares for cell division and checks for errors
M - cell division
Go - cell cycle arrest
1
Q
Describe DNA replication
A
Initiation - recognition, helicase unwinds, primase initiates
Elongation - leading strand replicated 5-3, lagging strand replicated discontinuously, fragments joined by ligase
Termination - DNS ploymerase joins fragments
2
Q
Explain how environmental factors influence genotype and phenotype
A
Radiation, mutation, diet, lifestyle, chemicals that affect cell growth
