How Does Gibberellic Acid Affect Stem Length in Pea Plants

question 41

Multiple Choice

How does gibberellic acid affect stem length in pea plants?

• A)Plants with normal stem length have higher levels of gibberellic acid.
• B)Plants with short stem length have higher levels of gibberellic acid. ​
• C)Plants with normal stem length have the dominant allele Le that encodes an enzyme to degrade gibberellic acid.
• D)Plants with short stem length have the dominant allele Le that encodes an enzyme to degrade gibberellic acid. ​
• E)Plants with short stem length are homozygous recessive for the allele le that encodes an enzyme to degrade gibberellic acid. ​

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Definitions:

Radius

A bone in the forearm that extends from the lateral side of the elbow to the thumb side of the wrist.

Ulna

One of the two long bones in the forearm, extending from the elbow to the smallest finger, and playing a vital role in arm movement and stability.

Pivot Joint

A type of synovial joint that allows rotation around a single axis, such as the joint between the first and second cervical vertebrae in the neck.

Forearm

The part of the arm between the elbow and the wrist.