The main part of the respiratory system is the lungs; the lungs are a place where oxygen can enter the blood, and the carbon dioxide leaves the blood. The correct answer is here:
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C. To exchange gasses between the blood and the environment.</span>
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Answer:
Epistatic interaction of the two genes
Explanation:
In epistasis, the interaction between genes contradics one another, in essence, one gene masks the interference with the expression of another gene. As such any time two different genes contribute and have effects to a single phenotype and their effects are not merely additive, those genes are said to be epistatic.
Answer:
There are two types of melanin--eumelanin and pheomelanin. In general, the more eumelanin in your skin, the darker your skin will be. People who make more pheomelanin than eumelanin tend to have lighter skin with freckles. Like many other traits, the amount and kind of pigment in your skin is controlled by genes
Explanation:
