Inheritance Basics

Where is all the genetic information in a cell?

• Nucleus

• Chloroplasts

• Mitochondria

• Cytoplasm

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What are small stretches of DNA that code for traits

• Nucleus

• Chromosomes

• Gene

• Centromeres

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NGSS.HS-LS3-1

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One form of a gene is called_______________

• a DNA

• a phenotype

• a trait

• an allele

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NGSS.HS-LS3-1

A genotype is ______________.

• physical appearance

• the specific allele makeup of an individual

• alleles gained from one parent

• any expressed trait of an organism

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NGSS.HS-LS3-1

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A phenotype is _________________.

• any expressed trait of an organism

• genetic makeup

• alleles acquired from a specific parent

• the recessive traits

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NGSS.HS-LS3-1

The passing of traits from parents to offspring is called?

• Monohybrid cross

• Heredity

• True breeding

• Genetics

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NGSS.HS-LS3-1

What does the notation RR mean to geneticists?

• two recessive alleles

• one dominant allele and one recessive allele

• two dominant alleles

• incomplete dominance of alleles

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

The allele for brown eyes is dominant to the allele for blue eyes. Which of the following explains how a brown-eyed parent and a blue-eyed parent can produce a blue-eyed child?

• The brown-eyed parent is BB and the blue-eyed parent is bb

• The brown-eyed parent is Bb and the blue-eyed parent is bb

• The brown-eyed parent is BB and the blue-eyed parent is Bb

• The brown-eyed parent is Bb and the blue-eyed parent is Bb

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a homozygous black mouse (BB) is crossed with a homozygous white mouse (bb), what is the probability that an offspring will have black fur?

• 100%

• 25%

• 50%

• 75%

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NGSS.HS-LS3-1

NGSS.HS-LS3-2