Answer:
They share common ancestors
Explanation:
DNA remain conserve for long time and genetic code dna us major source to know that if irganistims share common ancestors
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
Nerves - transmit impulse of sensation to brain or spinal cord, then to muscles and organs
In co dominance, both alleles show. Thus, the filial, F1, generation, will most likely be white with red spots/speckles. See image below.
Answer;
Scleroderma
Scleroderma is a connective tissue disorder that is characterized by insoluble collagen being formed and accumulating excessively in the tissues.
Explanation;
This disorder features thickened skin that can involve scarring, blood vessel problems, varying degrees of inflammation and pain, and is normally associated with an overactive immune system. It is regarded as an autoimmune condition, as the body produces too much collagen, causing the skin and connective tissue to thicken.
