Heredity

Why is comparing identical and fraternal twins useful in genetics?

• It helps reveal the influence of environment on behavior.

• It helps reveal the influence of genetics on behavior.

• It helps reveal the influence of diet on behavior.

• It helps reveal the influence of education on behavior.

How do genes and the environment interact according to the text?

• Genes solely determine all traits.

• Environment solely determines all traits.

• Genes set the stage, but the environment influences the outcome.

• Environment has no effect on genetic traits.

Which term refers to the transmission of genetic characteristics from parents to offspring?

• Evolution

• Natural selection

• Heredity

• Mental processes

Which term refers to the study of how mental traits are passed down through generations?

• Evolution

• Heredity

• Eugenics

• Natural selection

What is the primary mechanism through which traits are passed from parents to offspring in humans?

• A) Natural selection

• B) Heredity

• C) Evolution

• D) Adaptation

Which of the following best describes the role of DNA in heredity?

• A) DNA is a protein that provides energy to cells.

• B) DNA carries genetic information that determines traits.

• C) DNA is a type of cell that fights infections.

• D) DNA is a hormone that regulates growth.

How does heredity influence physical characteristics in humans?

• A) It has no influence; environment is the sole factor.

• B) It determines all characteristics without exception.

• C) It provides a genetic blueprint that interacts with environmental factors.

• D) It only affects characteristics in early childhood.

Which scientist is known for his foundational work on the laws of heredity?

• A) Charles Darwin

• B) Gregor Mendel

• C) Albert Einstein

• D) Isaac Newton

What is a gene?

• A) A unit of heredity that is transferred from parent to offspring.

• B) A type of cell that forms the brain.

• C) A molecule that stores energy in muscles.

• D) A hormone that regulates sleep.

Which of the following is an example of a hereditary trait?

• A) Language spoken

• B) Eye color

• C) Favorite food

• D) Hobbies