Genetics in Action: Video Quiz

The video tutorial introduces genetics, explaining it as the study of heredity. It covers basic units of heredity, dominant and recessive traits, and the law of segregation. The tutorial also discusses the inheritance of traits, using examples like blood type and genetic mutations, including sickle cell anemia.

What is the study of genetics primarily concerned with?

• The study of animal behavior

• The study of ecosystems

• The study of plants

• The study of heredity and variation in organisms

What is a dominant trait known to do in genetics?

• It is only found in plants

• It is always recessive

• It often masks a recessive trait

• It is never expressed

According to the law of segregation, how does an offspring receive genes?

• A gene for a trait from each parent

• Randomly from the environment

• From neither parent

• From only one parent

What does the cross of 4 o'clock flowers illustrate?

• Incomplete dominance

• Recessive traits

• Codominance

• Complete dominance

What is sickle cell anemia an example of?

• A normal variation

• A recessive trait

• A dominant trait

• A genetic disorder