Genetics Quiz
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CHROMOSOMES, MEIOSIS & CYTOGENETICS
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A botanist is studying a flower species where petal color is determined by a single gene on chromosome 2. The allele for purple petals (P) is dominant to the allele for white petals (p). A cross is performed between a true-breeding purple flower (PP) and a true-breeding white flower (pp). One of the resulting F1 progeny has white petals. Karyotyping reveals this plant is monosomic for chromosome 2. What is the most likely cause?
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