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the trait for sickle cell anemia in humans shows a recessive pattern of inheritance. the alleles for sickle cell anemia in two individuals are shown below.

sickle cell anemia alleles
individual alleles
c hh
d hh

which individual(s) would show observable sickle cell anemia?
only c
only d
both c and d
neither c nor d

The answer is 'Only D'

Explanation:

It says it is a recessive oattern of inheritance, so an individual needs to have both alleles for this disease (hh) in order to show it.

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i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.