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Activity 8.1 — Inherited Traits
NCERT Activity 8.1: Observe inherited traits like ear lobe attachment, tongue rolling, and dimples in people around you. Learn what makes a trait dominant or recessive.
How To Perform
1
Observe Ear Lobes
Compare free (hanging) ear lobes vs attached (fixed) ear lobes in people.
2
Observe Tongue Rolling
See who can roll their tongue into a U-shape and who cannot.
3
Observe Dimples
Notice who has dimples when they smile and who doesn't.
4
Count Traits
Review survey data on how common each trait is in a population.
⚠️ Safety Notes
- •This is an observation activity — no physical contact needed.
- •Respect individual differences; all traits are natural variations.