The dominant gene for round red blood cells is s and the recessive gene for sickle-shaped red blood cells is s. based on their genotypes, which set of parents has the most likely chance of producing a child with sickle-cell disease?
a. ss mother and ss father
b. ss mother and ss father
c. ss mother and ss father
d. ss mother and ss father

b

Explanation:because the recessive closet to the to the gene that causes is that

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