So that there is more gene variation. Let's say if they all had the same genes, one specific disease would be fatal for the species' existence since they would all be the same. The diverse gene pool allows species to develop different characteristics that can help them defend against disease
Yes chromosomes, centromeres are the center of the cell chromatids are two identical parts and the chromosome are the coiled dna
Answer:
Marsupial animals(including kangaroos) raise its offspring inside a pouch. Placental animals complete development nourished by the <em>placenta.</em>
<span>Humans have around 24,000 genes and large parts of our genome actually consist of DNA that doesn’t code for genes. Prior to the completion of the human genome project, it was expected that humans would have over 100,000 genes.</span>
