The chemical secreted by the tapeworm is noted to slow down the intestinal pulsation, if added to drug for humans it might increase the drugs effectiveness by ensuring the drug stays in the lower alimentary canal for long, ensuring maximum absorption the drug components into the body's blood stream as it will not be ejected from the body at the normal rate
Answer:
genotype is responsible for establishing phenotype
Explanation:
When Mendel experimented with pea plants, concept of genes and alleles had not come up yet. Through his experiments Mendel first proved that some type of combination in cells leads to a particular phenotype.
He coined the term "factors" which are today known as alleles. These factors paired up and displayed a particular phenotype. Today we know that the alleles are responsible for a genotype which ultimately results in a phenotype. Hence, he established that genotype is responsible for establishing phenotype even before the term genotype was coined.
All organisms do have a closed circulatory system
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