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I think you are looking for B
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Recessive lethal genes can code for either dominant or recessive traits, but they do not actually cause death unless an organism carries two copies of the lethal allele. Examples of human diseases caused by recessive lethal alleles include cystic fibrosis, sickle-cell anaemia, and achondroplasia.
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Answer: water is removed during dialysis therefore the excess water decreased his mass.
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because every year there is a new strain of flu
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