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.
The age structure of human populations in West Africa and Western Europe, as of 2000.
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Intussusception. The condition is caused by an infolding of the small intestine, which often causes
Four cutaneous receptors that occur in human skin.
The major cortical input and output pathways of the dorsolateral prefrontal association cortex. ...
Human Genome Variation