Understanding Eye Colors and Genetics

What did William Shakespeare famously refer to the eyes as?

• The gateway to the heart

• The reflection of the spirit

• The window to the soul

• The mirror of the mind

What is the name of the colored part of the eye?

• Iris

• Pupil

• Cornea

• Retina

What pigment is responsible for the color in the iris?

• Hemoglobin

• Carotene

• Melanin

• Chlorophyll

What scientific effect explains why blue eyes appear blue?

• Rayleigh scattering

• Doppler effect

• Tyndall effect

• Photoelectric effect

Why do blue eyes appear blue despite having no blue pigment?

• They absorb all colors except blue

• They contain blue melanin

• They reflect the sky

• They scatter blue light

How old is the mutation that caused blue eyes in European populations?

• At least 10,000 years old

• At least 6,000 years old

• At least 20,000 years old

• At least 1,000 years old

What did Gregor Mendel primarily study to develop his genetic theories?

• Roses

• Peas

• Corn

• Beans

How many genes have been identified to influence eye color?

• At least 20

• At least 15

• At least 10

• At least 5

What is the main reason eye color cannot be described by a single word?

• It is a continuous spectrum

• It changes with age

• It is the same for everyone

• It is influenced by diet

What is the PBS Digital Studios series mentioned in the video?

• Eyes Wide Open

• Say It Loud

• Colorful World

• Genetic Journeys