Inherited Traits and Selection Lesson 1

What common trait do plant growers use selection to improve?

• The color of the fruit

• The size of the fruit

• The shape of the fruit

• The taste of the fruit

What part of the watermelon was there less of to eat 400 years ago?

• The green outer skin

• The red inner flesh

• The white rind part

• The black seeds

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How did the original wild version of a peach which was smaller change to be the big juicy peach today?

• Natural disasters

• Human selection

• Animal consumption

• Climate change

How many petals does a wild, natural rose typically have?

• 5 petals

• 15 petals

• 25 petals

• 45 petals

What has allowed plant growers to create different varieties of plants?

• Cross-pollination

• The process of selection

• Genetic modification

• Hybridization

How many petals can there be on a modern rose as a result of the process of selection?

• 5 petals

• 15 petals

• 45 petals

• 100 petals

Why was someone able to make a variety of giant pumpkin?

• Because all pumpkin siblings are exactly the same.

• Because no two pumpkin siblings are exactly the same.

• Because pumpkins naturally grow very large.

• Because of a special pumpkin-growing chemical.

What is the first fact to remember about selection according to the text?

• Individual babies of a parent have exactly the same traits.

• Babies usually get most of the traits of their siblings.

• No two individuals are exactly alike; there are always small differences.

• Plant growers do not influence the traits of plants.

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What do babies usually inherit from their parents?

• The traits of their grandparents.

• The traits of their siblings.

• The traits of their parents.

• New traits that were not present in their parents.

How have plant growers managed to get roses with a specific number of petals?

• By planting seeds from roses with the desired number of petals.

• By using chemicals to change the number of petals.

• By painting extra petals on the roses.

• By watering the roses with special water.