Think about the actual physical process happening in the cell - the allele (or versions of a gene) are literally physical pieces of DNA strung together into chromosomes. And as the cell divides to form gametes, those chromosomes randomly assort themselves into the two new cells (conditional that each new cell gets one copy of each chromosome, in the case of gametes)...<span>
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Fermentation if oxygen is not present
Somatic cells or body cells of an organism undergo cellular division that maintains the number of chromosomes of the beginning cell prior to the division, this process is called mitosis.
<h2>PLEASE MARK IT BRAINLIEST </h2>
<h3>1) THEY ARE NOT SOLID</h3>
Answer:
replication, encoding information, mutation and recombination, gene expression
