The cell is most likely a prokaryote
A type of cell with no nucleus
Genetic defects can be cause by any chromosome, whether an autosome or a sex chromosome.
This is an example of; evolution
Evolution is a gradual process in which the characteristics of a species are changed in response to its environment over several generations. Evolution depends on the process of natural selection. Some of the changed characteristics (traits) may be beneficial to the organism and it can be transferred to their offspring.
The right ventricle pumps deoxygenated blood to the lungs.