Genetics

How can two parents with brown eyes have a child with blue eyes?

• The parents may both have recessive genes for blue eyes.

• The child was born during the winter.

• Eye color in humans is not an inherited trait.

• The child was deprived of oxygen during its birth.

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Which type of genetic factor can hide or mask another genetic factor?

• Strong

• Huge

• Dominant

• Recessive

Which type of genetic factor get hidden or masked by another genetic factor?

• Strong

• Huge

• Dominant

• Recessive

Which term refers to the study of how traits are inherited?

• Physiology

• Genealogy

• Genetics

• Reproduction

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What part of an organism's genetic makeup is received from its mother?

• 25%

• 50%

• 75%

• 100%

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What part of an organism's genetic makeup is received from its father?

• 25%

• 50%

• 75%

• 100%

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What type of chart is used to help organize study and predict genetic inheritance?

• Punnett square

• Graph

• Flow chart

• Diagram

What are traits?

• Small hairs that grow on your forehead

• Characteristics passed on from parents to children, like eye color

• People who are unpatriotic

• The powerhouse of the cell

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What does a dominant form do to a recessive form?

• The dominant form blocks the recessive form

• Nothing, as long as the recessive form is strong enough

• The dominant form mutates the recessive form

• The dominant form erases the recessive form

From this Punnett square what would be the predicted outcome from 100 plants?

• 25 plants would have yellow peas, 75 plants would have green peas

• 50 plants would have yellow peas, 50 plants would have green peas

• 25 plants would have yellow peas, 50 plants would have green peas

• 75 plants would have yellow peas, 25 plants would have green peas

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