That is binary fission, 'cause in this process, chromosome number doubles to it's original value whereas in meiosis it gets halved.
In short, Your Answer would be Option D
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Explanation:
After repeated stimulation by antigen, B cells can make antibodies that bind their antigen with much higher affinity a process called affinity maturation. ... Thus, antigen stimulation greatly increases the antibody arsenal. Antibodies are proteins, and proteins are encoded by genes.
The period of revolution of an object in the Solar System is the time it takes an object to travel around the Sun.
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1. Support for and the elevation of leaves, flowers and fruits. 2. Transport of fluids between the roots and the shoots in the xylem and phloem. 3. Storage of nutrients. Hope this helps!!
Natural selection only acts on the population’s heritable traits: selecting for beneficial alleles and thus increasing their frequency in the population while selecting against deleterious alleles and thereby decreasing their frequency
