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Observation

It  was observed that the identical twins had the same type of hair, eye color and facial appearance. Their height and weight  were also similar but a slight difference was noted.  The twins’ fingerprints looked similar but  were not the same. The fraternal twins displayed some similarities, but they were not as identical/similar as the rest of the twin pairs. For the siblings, the hair was similar but everything else was not identical.

Twin /sibling

Comparing twin appearance and physical attribute

Hair

Facial

Height

Weight

Eye color

Fingerprint

Male twins

X

Female twins

X

Male-female twins

X

X

X

Siblings

X

X

X

X

√ - identical, X – not identical

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Complexity level:
7
Project cost ($):
10
Time required:
1 hour to prepare, 1 day for the science project experiment
Material availability:
The participation of pairs of twins of the same race is required
Safety concerns:

None