Amplify Traits and Reproduction Unit Quiz Practice

Three tigers have different parents. They all have the same PROTEINS for the stripe pattern. What can you say about the tigers' stripe patterns?

• They will have the same stripe patterns since all tigers have the same trip pattern

• They will have the same stripe patterns since their proteins for stripe patterns are the same so the proteins will connect in the same way.

• They will have different stripe patterns because even with the same proteins for stripe pattern, the protein can connect in different ways.

• They will have different stripe patterns since only offspring from the same parents have the same strip patterns.

Answer explanation

Because the 3 tigers all have the same proteins, there is only one type of protein in their cell meaning they can only connect in one direction and code for one specific pattern.

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Two goldfish have different parents. One fish has a split tail and the other does not. Why do the goldfish have tails with different shapes?

• Each goldfish has a different tail shape because offspring from different parents will have different tail shapes.

• Each goldfish has a different tail shape because they have different versions of the gene for tail shape that connect together to make different tail shapes.

• The goldfish have different versions of the gene for tail shape. The genes are split inside one goldfish's tail but not inside the other's.

• The goldfish have different gene versions for tail shape, which instruct for different proteins that connect in different ways to make different tail shapes.

Answer explanation

The goldfish have different gene combinations which means they have different genes which code for different traits.

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A young goat has downward curved horns. Its father has upward curved horns while its mother has downward-curved horns. Which of these statements best explain why the young goat has downward-curved horns?

• The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. That gene combination instructs for proteins that connect in ways that make downward-curved horns.

• The young goat inherited one copy of the gene for horn shape from its mother and one copy from its father. Those genes connect together to make its downward-curved horns.

• The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Just like its mother’s genes, those genes instruct for proteins that connect in ways that make its downward-curved horns.

• The young goat inherited its copies of the gene for horn shape from its mother and not from its father. Those genes connect together to make its downward-curved horns.

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There are two junco birds that each have different proteins in their cells for beak pointiness. They have different parents. What can you say about the birds' beak pointiness?

• They will have the same beak pointiness because even with different proteins for beak pointiness, the proteins can connect in the same way.

• They will have different beak pointiness since offspring from different parents will have different beak pointiness.

• They will have different beak pointiness since their proteins for beak pointiness are different so the proteins will connect in different ways.

• They will have the same beak pointiness since all junco birds have the same beak pointiness.

  They will have the same beak pointiness since all junco birds have the same beak pointiness.

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Two rabbits have different parents. One rabbit has ears that flop over, and the other rabbit has ears that stand straight up. Why do the rabbits have ears with different shapes?

• The rabbits have different versions of the gene for ear shape. The genes are only standing straight up in the cells of one rabbit’s ears.

• The rabbits have different versions of the gene for ear shape, which instruct for different proteins that connect in different ways to make different ear shapes.

• Each rabbit has a different ear shape because offspring from different parents will have different ear shapes.

• Each rabbit has a different ear shape because they have different versions of the gene for ear shape that connect together to make different ear shapes.

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The body cells of scorpions have proteins that connect together. In one scorpion, the structure of the proteins in the body cells changed, but the amount of that type of protein in the cell stayed the same. What happened to the function of that type of protein?

• The changed protein connects differently, but its function doesn’t change.

• The changed protein connects differently, so its function changes.

• The changed protein connects in the same way, but its function changes.

• The amount of that type of protein stayed the same, so its function doesn’t change.

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Hannah is trying to figure out how tooth size is determined in two different wolves. In wolf 1, the copies of the gene are different from each other. In wolf 2, the copies of the gene are the same as each other. How does this affect how many types of proteins there are in each tooth cell?

• Wolf 1 has one type of protein for the tooth size feature. Wolf 2 has one type of protein for the tooth size feature.

• Wolf 1 has two types of protein for the tooth size feature. Wolf 2 has one type of protein for the tooth size feature.

• Wolf 1 has two types of protein for the tooth size feature. Wolf 2 has two types of protein for the tooth size feature.

• It is impossible to say anything about proteins from the given information.

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Two fruit flies have different parents. One fruit fly has orange eyes while the other has red eyes. Why do the fruit flies have different eye colors?

• Each fruit fly has a different eye color because offspring from different parents will have different eye colors.

• Each fruit fly has a different eye color because they have different versions of the gene for eye color that connect together to make different eye colors.

• The fruit flies have different versions of the gene for eye color, which instruct for different proteins that connect in different ways to make different eye colors.

• The fruit flies have different versions of the gene for eye color, and the genes are different colors in each fruit fly’s eyes.

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A baby crawfish has a long tail. Its mother has a long tail while its father has a short tail. Which of these statements explains why the baby has a long tail?

• The baby crawfish inherited one copy of the gene for tail length from its mother and one copy from its father. Those genes connect together to make its long tail.

• The baby crawfish inherited one copy of the gene for tail length from its mother and one copy from its father. That gene combination instructs for proteins that connect in ways that make a long tail.

• The baby crawfish inherited its copies of the gene for tail length from its mother and not from its father. Just like its mother’s genes, those genes instruct for proteins that connect in ways that make a long tail.

• The baby crawfish inherited its copies of the gene for tail length from its mother and not from its father. Those genes connect together to make a long tail.

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Two sharks have different parents. The two sharks have different proteins in their cells for the color on the tip of their fins. What can you say about the color on the tip of the two sharks' fins?

• The fins will be the same color since all sharks have the same fin color.

• The fins will be the same color because even with different proteins for fin color, the proteins can connect in the same way.

• The fins will be different colors since offspring from different parents will have different colored fins.

• The fins will be a different color since their proteins for fin color are different so the proteins will connect in different ways

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