Mutations

Question 1

Mutations def (3) + 3 types

Answer 1

• Alteration nucleotide sequence
• random (not inherently good/bad)
• weak evolutionary mech, need other mechanics to spread, only really good ones spread fast
• point mutation, base insertion/substitution

Question 2

Consequences mutations

Answer 2

• harmful, beneficial and neutral (most neutral)

Question 3

Fitness

2

Answer 3

• Relative reproductive success individuals

- influenced by environment

Question 4

Mutation rates

4

Answer 4

• vary among species
• more meiosis/ mitosis = more mutations
• faster reproductive pass mutation down faster rate
• invest more DNA protection , less mutations