Exploring Genetics and Heredity Concepts

What is the primary focus of the study of genetics?

• The study of ecosystems

• The study of how traits are passed from one generation to the next

• The study of human anatomy

• The study of chemical reactions

What is the end product of meiosis?

• Cells with no DNA

• Cells with the same amount of DNA

• Cells with half the DNA

• Cells with double the DNA

What are sections of chromosomes called?

• Alleles

• Traits

• Proteins

• Genes

What determines the traits you show?

• Your physical activity

• Your diet

• The combination of alleles you have for any gene

• The environment

What causes blue lobsters to have their unique coloration?

• A diet of blue algae

• A genetic mutation causing overproduction of a protein

• Exposure to sunlight

• Living in deep blue waters

How can a blue lobster have blue offspring?

• By eating a special diet

• By mating with another blue lobster

• By living in a blue environment

• By mating with any lobster

What is sickle cell anemia caused by?

• A deficiency in vitamins

• A viral infection

• A missense mutation in the DNA

• A bacterial infection

What advantage does having one sickle cell allele provide?

• Increased strength

• Higher immunity to malaria

• Better vision

• Faster metabolism

What is the relationship between sickle cell anemia and malaria?

• Having one sickle cell allele provides immunity to malaria

• Sickle cell anemia causes malaria

• There is no relationship

• Malaria causes sickle cell anemia

What should students do after watching the video lesson?

• Ignore the PDF

• Skip to the next video

• Read the additional information in the PDF and work through practice problems

• Take a break