NGSS.HS-LS3-1

When Mendel crossed two green pea plants, some of the offspring produced yellow peas.  What does this tell us about the parent plants?

• They must have been homozygous dominant
• They must have been heterozygous
• They must have been homozygous recessive
• One was dominant and one was recessive

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If this image were real, it would represent what type of inheritance?

• incomplete dominance
• codominance
• polygenic inheritance
• compete dominance

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The inheritance of short wings in Drosophila fruit flies is a recessive trait. Which would most likely result if a short winged female mates with a long winged male? Assume the male is homozygous.

• all offspring will be long winged

• all females will be long winged, and all males will be short winged

• All females will be short winged and all males will be long winged

• half of the males and females will be short winged and half will be long winged.

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Traits that are developed from "nature" are traits that are... (pick 2 answers)

• Genetic

• Learned

• Acquired

• Inherited

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In the image above, what is the percentage of the offspring has the possibility of inheriting blood type O?

• 0%

• 25%

• 50%

• 100%

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A characteristic that an organism can pass onto its offspring through its genes

• Heredity

• Chromosomes

• Allele

• Trait

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Homozygous recessive

• QQ

• Qq

• qq

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Fill in the Yellow Box

• Bb

• BB

• bb

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How many of the offspring would have a black, smooth coat?

• 9

• 7

• 3

• 1

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What is the dominant trait?

• yellow pea seeds

• green pea seeds

• there is no dominant seed

• Jolly green giant

Answer explanation

Since AA and Aa are yellow, we know that only one A is required to lead to a yellow seed. Therefore yellow is the dominant trait.

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