Flowers, Crosses and Offspring

Dale wants to cross the red flowered penstemon with a penstemon that has a stronger stem. He hopes to obtain offspring with a desired combination of traits from both penstemon parents.

Quiz

Question

What should Dale know in order to plan his plant breeding strategy?

To review this concept go to Flowering Principles Lesson: Flower Structure and Controlled Crosses.

A. There is no strategy needed, just grow the two plants next to each other in the nursery or greenhouse and collect their seeds.

Incorrect: The penstemon parents need to be flowering at the same time, so the breeder needs to know if and what kind of operations will be needed to control crosses in the flower.

B. Determine the flower structure of the penstemon parent plants.

Incorrect: The penstemon parents need to be flowering at the same time, so the breeder needs to know if and what kind of operations will be needed to control crosses in the flower.

C. Determine if both the parent plants will produce flowers at the same time.

Incorrect: The penstemon parents need to be flowering at the same time, so the breeder needs to know if and what kind of operations will be needed to control crosses in the flower.

D. Dale needs to know the answer to both B and C.

Correct: The penstemon parents need to be flowering at the same time, so the breeder needs to know if and what kind of operations will be needed to control crosses in the flower.

Looks Good! Correct: The penstemon parents need to be flowering at the same time, so the breeder needs to know if and what kind of operations will be needed to control crosses in the flower.

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