Genetics and Heredity

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

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NGSS.HS-LS3-1

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The man who studied genetics and came up with genetics is

• Watson
• Crick
• Mendel
• Darwin

What law states that in Tt the person will only show the dominant allele

• law of segregation
• law of independent assortment
• law of dominance
• law of punnett squares

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

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NGSS.HS-LS3-1

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

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What is a phenotype

• The genetic make up (code)
• The physical trait

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NGSS.HS-LS3-1

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having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

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NGSS.HS-LS3-2

Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?

• height
• the scar
• ability to swim
• ability to play drums

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

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NGSS.HS-LS3-1

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