The blood then flows through the <span>open tricuspid valve. </span>
<span>it comes and goes through the madreporite - a small valve like structure</span>
Answer:
DNA.
Explanation:
Chromosones use a molecule called DNA to carry genetic information. A DNA exists in a cell's nucleus within structures named chromosones.
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Color Blindness is an X-linked trait. This explains why males are much more likely to have it than females. Offspring inherit Color Blindness from their mother, because the father only contributes the Y chromosome. A female can only have the disorder if her father has it and her mother either has it or is a carrier
Answer:
the answer is the 1st one
Explanation:
