One of the threadlike processes forming the respiratory surface of a gill.
Answer: blood transfusion
Explaination:a routine medical procedure in which donated blood is provided to you through a narrow tube placed within a vein in your arm
The bond that is created in H2O is called a covalent bond.
That's correct - it's a square where on one axis, the paternal allele (allele = one of the possible forms of the same gene), and on another the maternal allele is listed. Often, it's also indicated whether an allele is recessive or dominant.
Then, in the table that results, all the possible "combinations" of allele between the paternal and maternal party are created. If you count how often a certain combination appears, it indicates the likelihood of that combination.
See the picture (though it is directly from Wikipedia, please note). The likelihood of BB is 25%, of Bb is 50%, and of bb 25%.