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Of the levels of prevention associated with the natural history of disease, primary prevention refers to two levels. what are th
1 answer:
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Answer:
a. Genotype ratio= 1/2 BB: 1/2 Bb
Phenotype ratio= All red
b. Genotype ratio= 1/2 Bb: 1/2 bb
Phenotype ratio= 1/2 red: 1/2 silver black
c. Genotype ratio= All Bb
Phenotype ratio= All red
Explanation:
a. pure red x carrier red:
Genotype of parents: pure red (BB) x carrier red (Bb)
Genotype ratio of progeny= 1/2 BB: 1/2 Bb
Phenotype ratio of progeny= All red
b. carrier red x silver-black
Genotype of parents: carrier red (Bb) x silver-black (bb)
Genotype ratio of progeny= 1/2 Bb: 1/2 bb
Phenotype ratio of progeny= 1/2 red: 1/2 silver black
c. pure red x silver black
Genotype of parents: pure red (BB) x silver black (bb)
Genotype ratio of progeny= All Bb
Phenotype ratio of progeny= All red
