Heredity and Genetics Quiz Final - Grades 7 and 8

All humans have a total of approximately _________________ genes.

• 1,000,000

• 50,000

• 20,000

• 46

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genes are recipes for making __________________.

• lipids (fats)

• DNA

• proteins

• carbohydrates

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NGSS.HS-LS1-1

___________ tell our cells what to do and what to be.

• Red blood cells

• Our brains

• The nucleus

• Genes

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

Humans normally have a total of how many chromosomes?

• 46

• 23

• 44

• 92

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NGSS.HS-LS3-1

What percentage of our chromosomes come from our dads?

• 25%

• 75%

• 50%

• 80%

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NGSS.HS-LS3-1

The name for the process where body (somatic) cells divide and then multiply.

• mitosis

• meiosis

• duplication

• separation

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NGSS.HS-LS1-4

True or False? Genes are made up of the molecule DNA.

• True

• False

What is the term we use for an entire set of 23 chromosomes?

• karyotype

• collection

• genome

• phenome

What is the term used to describe what happens when chromosomes cross over and swap genetic information?

• genetic replication

• genetic scrambling

• genetic recombination

• DNA recombination

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NGSS.HS-LS3-2

Besides the nucleus, where else are genes stored in our cells?

• mitochondria

• ribosomes

• vacuoles

• vesicles