Journey of Man Video Questions

What is the primary focus of a population geneticist?

• Researching medical treatments using genetics

• Studying the chemical properties of DNA

• Investigating human diversity and distribution globally

• Analyzing geological formations

What does DNA analysis reveal about human origins?

• Humans originated in Africa and are closely related

• Humans have minimal genetic diversity

• There is no clear evidence about human origins

• Humans originated in Europe

What is the main goal of the Genographic Project?

• To develop new medicines

• To map human migration and diversity using genetic data

• To focus solely on the genetics of European populations

• To study the plant genetics

What does the Genographic Project primarily study?

• Animal migrations

• Human genetic history and migrations

• Atmospheric patterns

• Oceanic currents

How has citizen science contributed to genetic research?

• By providing financial support only

• By allowing public participation in data collection and analysis

• By limiting the scope of research to professionals

• By focusing on non-human species

Mistakes in DNA copying are called ​ (a)   and can be measured every generation (parent to child). On average, children will have ​ (b)   new changes in their DNA compared to their parents.

• mutations
• 100
• errors
• 50
• variations
• 200

Everyone's DNA can be put into groups of the human family tree. This is based on two pieces of DNA: (1) mitochondrial DNA that is passed from ​ (a)   to all of her children; (2) Y chromosome DNA that only comes from ​ (b)   to ​ (c)  

• women
• fathers
• sons
• mothers
• daughters
• grandmothers
• uncles
• nephews

Genetic markers have allowed scientists to track human

• RNA sequences
• migration patterns

• Protein structures
• Cellular organelles

Which regions have the longest branches in human family trees according to genetic markers?

• Asian populations

• African populations

• North American populations

• European populations