In plants, there is the alternation of generation. In nearly all land plants, one phase of the two possible phases is dominant--namely the sporophyte. The "dominance" over the other phase can be…

What are the upper and lower limits for chromosome length? Are these limits different in different species or kingdoms? If there is any limit, which cellular or molecular factors are reasons?

I'm thinking in particular of wings on birds that would - I'm guessing - have to progress through stages during which they confer no particular advantage. Or is it that all evolved features must have

I have figured out how to download the fasta of the genomes of microorganisms, for example the botulism bacteria and the spirulina algae. However, I want to find a fasta file for some significant

Neuron: the main element of human nervous tissue Introduction Nerve tissue is a set of cells in the human body that is responsible for performing specific tasks in our body. This complex structure is of fundamental importance for the proper functioning of our body, as it performs fundamental functions, mainly related to the coordination of bodily activities.

It is obvious that during childhood and puberty, the human body grows uniformly or proportionally so that a child's arm length, for example, is shorter than an adult's arm length but is proportiona…