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.
ANSWER: a
You might also like to view...
________ is the study of body plans and structures among group of organisms
a. Biogeography b. Comparative morphology c. Continental drift d. Evolution e. Speciation
Most species of vertebrates are iteroparous
Indicate whether the statement is true or false
In the process of aerobic respiration, nitrate can function as the terminal electron acceptor in the electron transport
chain. __________________ Indicate whether the statement is true or false.
It is generally accepted that the vertebrates that evolved during the early Devonian period are the
A. dinosaurs. B. hominoids. C. sharks and bony fish. D. mammals. E. birds.