Genetics Quiz

Which of the following cell types is formed by meiosis?

• muscle cells
• skin cells
• sperm cells
• blood cells

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NGSS.HS-LS3-2

What is one advantage of sexual reproduction?

• offspring are identical to parents
• offspring are resistant to viruses
• offspring are born live, rather thna from eggs
• offspring inherit a wider variety of genetic information

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NGSS.HS-LS3-2

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What is a phenotype?

• The expression of a trait; what you see.
• refers to the genetic makeup of an individual
• An organism that has the same genes for a trait (ex. TT or tt)
• the passing of traits from parent to offspring

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NGSS.HS-LS3-3

The inherited combination of alleles is known as the offspring's

• heredity
• phenotype
• genotype
• redigree

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An organism's appearance is known as its

• heredity
• phenotype
• genotype
• pedigree

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NGSS.HS-LS3-2

Sex cells are produced through the process of

• mitosis
• cytokinesis
• binary fission
• meiosis

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NGSS.HS-LS3-2

What does heterozygous mean?

• An organism that has the same genes for a trait (TT or tt)
• An organism that has different genes for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

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NGSS.HS-LS3-1

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A heterozygous yellow pea plant's genotype would be:

• YY
• yy
• Yy
• Yg

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NGSS.HS-LS3-1

If T=Tall & t=short, what is the genotypic ratio?

• 1:3
• 3:1
• 1:2:1
• 2:2

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NGSS.HS-LS3-1

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A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

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NGSS.HS-LS3-1