7th Grade Ch 5 Sect 1 (Genetics)

What is NOT an inherited trait of humans?

• Favorite type of music
• Freckles
• Hair color
• Height

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Which of these is an acquired trait?

• Having blue eyes
• Pierced ears
• The ability for a baby to cry
• Freckles

What is a trait that is passed from parents to offspring before the offspring is born?

• Learned behavior
• Acquired trait
• Inherited trait
• Offspring

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Which is an example of an instinct?

• A boy writing his name
• A girl riding a bike
• A cat hunting a mouse
• A dog learning to sit on command

What is genetics?

• The study of DNA nucleotides
• The study of heredity
• The study of a cell dividing into 2
• The study of eye color

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The passing of DNA from parents to offspring

• Generation
• Heredity
• Inheritance
• Traits

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What is a recessive allele?

• A trait that is always shown (capital letter)
• A trait that can be hidden (lower case letter)
• Alleles that are the same
• Alleles that are different

What is a dominant allele?

• A trait that is always shown (capital letter)
• A trait that can be hidden (lower case letter)
• Alleles that are the same
• Alleles that are different

Genes always appear in pairs. Your parents donate ________ allele for every trait.

• 1
• 2
• 23
• 46

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How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

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