One of two major forms of a human condition called neurofibromatosis (NF 1) is inherited as a dominant gene, although it may range from mildly to very severely expressed. If a young child is the first in her family to be diagnosed, which of the following is the best explanation?
A) The mother carries the gene but does not express it at all.
B) One of the parents has very mild expression of the gene.
C) The condition skipped a generation in the family.
D) The child has a different allele of the gene than the parents.
An example of a homeostatically controlled variable: blood levels of glucose in a human.
Neoteny in Evolution of the Human Skull
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Forms of Precipitation
Synthesis and use of glucose in the human body
Human Ubiquitin