Genetics

Learn the toughest concepts covered in biology with step-by-step video tutorials and practice problems by world-class tutors

21. Population Genetics

Allelic Frequency Changes

1

concept

Natural Selection

clock
5m
Play a video:
Was this helpful ?
0
2

concept

New Alleles and Migration

clock
3m
Play a video:
Was this helpful ?
0
3

concept

Genetic Drift

clock
10m
Play a video:
Was this helpful ?
0
4

concept

Non-Random Mating

clock
7m
Play a video:
Was this helpful ?
0
5
Problem

Which of the following terms describes a change in allelic frequency due to random disappearance of genes in a small population?

6
Problem

A group of finches live on a small, isolate island. One day, a few finches travel to a distant island and start a new population of finches. This type of change in a population is called what?

7
Problem

Which of the following is an example of natural selection?