Simplebiol
In previous articles, we talked about the two types of cell division, mitosis, and meiosis. We also described the differences between the terms chromatin, chromosome, and sister chromatid. However, if at this point someone asked you to find the number of chromosomes, chromatids, DNA molecules, and others, would you still have difficulty answering? If your […]
In organisms that follow sexual reproduction, gametes combine to form the zygote, the first cell of a new organism. We will discuss the familiar case of humans, but the same applies to other organisms as well. The two gametes, sperm and egg, are haploid cells, meaning they contain half the chromosome number of somatic cells. […]
Chromosomes, chromatin, nucleosomes, genes, alleles? What is the difference between these terms? What are their roles? And how are they organized inside each one of the small cells of an organism? When you hear these words, you might think that they are pretty much the same, or you may not be able to distinguish their […]