Answer:
A. No precipitate is formed.
Explanation:
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In this case, considering that both calcium chloride and barium chloride are CaCl₂ and BaCl₂ respectively, due to their high polarity by cause of the ionic bond they have between calcium and chlorine and barium and chlorine we say they are highly soluble in water, therefore, A. No precipitate is formed.
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D = 0.45 is the dominant allele
d = 0.55 is recessive allele
D^2 + 2Dd + d^2 = 1
frequency of homozygous recessive genotype is d^2
(0.55)^2 = 0.3025
A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.