The answer is B. an organ.
Brainliest answer would be greatly appreciated.
<span>The
answer is allelic frequency. This is also the fraction
of a particular allele of a gene in the population. Allelic
frequency in a population of diploid individuals is calculated using the Hardy Weinberg equation
of p2 + 2pq + q2 = 1. Allelic frequency of all the alleles of the genes must add up to 1 (one).</span>
B. vertebrates and invertebrates.
The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
<h3>What are pollen grains?</h3>
Pollen are very important in the propagation of a flower. They need to be involved in the process of fertilization. As a matter of fact pollination is the transfer of pollen grains from the anther to the stigma of a flower.
Now we can see that there are various stages in the development of pollen. The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.
Learn more about pollen:brainly.com/question/21021623
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