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Random Fertilization and Genetic Diversity
Grade Level
AP Biology
APB.259 Random Fertilization and Genetic Diversity
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A student says, If random fertilization allows 64 possible genotypes, then a family with 4 children must show all 64. Which response is best?
A
Random fertilization defines possible combinations and probabilities, but a small number of offspring will usually show only a subset.
B
The student is correct because each child must use every possible gamete combination.
C
The student is correct only if crossing over does not occur.
D
The student is incorrect because random fertilization permits only one genotype in a family.
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