IB 150 Exam 3 UIUC Questions With Correct Answers.

IB 150 Exam 3 UIUC Questions With
Correct Answers

what |four |processes |change |allele |frequencies |- |CORRECT |ANSWER✔✔-mutation, |immigration,
|gene |flow, |natural |selection




what |process |changes |genotype |frequencies |- |CORRECT |ANSWER✔✔-non-random |mating



what |does |it |mean |when |an |allele |is |"fixed" |- |CORRECT |ANSWER✔✔-when |it |is |the |only |
variation |of |that |gene |left |in |the |population



what |is |the |effect |of |fixation |on |genetic |diversity |- |CORRECT |ANSWER✔✔-the |longer |the |
fixation, |the |more |diverse |and |vise |versa



what |processes |can |cause |alleles |to |be |fixed |or |lost |and |re-introduced |- |CORRECT |
ANSWER✔✔-immigration, |gene |flow, |mutations



what |is |the |founder |effect |- |CORRECT |ANSWER✔✔-loss |of |genetic |variation |because |a |female |
moves |away |from |an |area |and |starts |a |new |population



what |is |the |effects |of |genetic |drift |in |small |and |large |populations |- |CORRECT |ANSWER✔✔-
larger |populations |have |more |diversity |and |won't |reach |fixation |like |small |populations |will



what |is |population |bottleneck |- |CORRECT |ANSWER✔✔-an |event |that |drastically |reduces |the |
size |of |a |population