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Monohybrid crosses Knowledge-Based Practice

Biology · Heredity · Biology · Mendelian Genetics

1 Biology practice questions on Monohybrid crosses. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    In pea plants, the allele for round seeds (R) is completely dominant over the allele for wrinkled seeds (r). What is the expected phenotypic ratio of offspring resulting from a monohybrid cross between two heterozygous plants?

    • A) 1 round : 1 wrinkled
    • B) 1 round : 2 intermediate : 1 wrinkled
    • C) 3 round : 1 wrinkled
    • D) 4 round : 0 wrinkled

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