Answer:
He is either not carrying the gene for RP or the RP gene has mutated.
Explanation:
RP or Retina Pigmentosa is an eye defect inherited by a person from a parent. The disease is degenerative as the individual gradually loses his sight. It normally starts off as night-blindness and could go as bad as a total loss of sight.
The mutation of both the RPGR and RP2 genes which are responsible for the function and structure of light-reception in the eye accounts for most cases of Retina Pigmentosa disease.
"Altered ecosystems" is the one consequence of global warming among the following choices given in the question that <span>is described as having an increase in growing season, changes in migration, and loss of species. The correct option among all the options that are given in the question is option "D".</span>
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.
Answer:
its different for everyone pero probably it starts at around 13 yrs old
Explanation:
In the f2 generation of mendel's crosses, all plants had the dominant trait,all plants had both the dominant and recessive alleles. one in four plants had two alleles for the recessive trait.
