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FCAT Science Sample Questions

SAMPLE 8

6

Elena has been studying the inheritance of traits in humans. She learned that unattached earlobes (E) are dominant over attached earlobes (e). The Punnett square shown below represents four children in one family.

EE

Ee

Ee

ee

According to the results shown in the Punnett square, what are the genotypes of the parents?

  • F.

    EE and EE

  • G.

    Ee and Ee

  • H.

    EE and ee

  • I.

    ee and ee

7

The picture below shows a bird sitting on a post near an ocean pier. Water waves are moving past the bird. Every 20 seconds (s), 10 waves pass by the bird. Each wave has a wavelength of 3.0 meters (m).

3.0 m

What is the frequency, in hertz (Hz), of the water waves as they pass the bird?

Page 9

FCAT 2011 S

lT

M

il

Fl id D

f Ed

i

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