Why and when is asexual reproduction advantageous in plants?
What will be an ideal response?
Asexual reproduction is advantageous because it requires only one plant. Pollination and seed production is not required, so energy is not expended on these reproductive processes. Asexual reproduction produces offspring that are identical to the parent and is, therefore, advantageous when the species is well adapted to a particular environment. Genetic variations, produced by meiosis and fertilization, are advantageous in a changing environment when natural selection favors the more fit variants. When an environment is stable and the species are well adapted to that environment, genetic variation is not integral to the survival of the species.
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The binding of arabinose to the AraC protein allows it to form a loop in the DNA upstream of the ara operon promoter.
Answer the following statement true (T) or false (F)
In the surface waters of oceans, the two most limiting nutrients for primary productivity are
A) sulfur and phosphorus. B) sulfur and nitrogen. C) nitrogen and iron. D) nitrogen and phosphorus.
The chordate nerve cord is hollow and located ventrally. Indicate whether the statement is true or false
What is the correct sequence for DNA replication in E. coli?
A. initiation, termination, elongation B. elongation, termination, initiation C. elongation, initiation, termination D. initiation, elongation, termination