A Researcher Studying Multi-Coloration of Zea Mays (Maize) Kernels Compares

question 111

Multiple Choice

A researcher studying multi-coloration of Zea mays (maize) kernels compares the genomes of kernels that are red with those of kernels that are purple on the same corncob.The researcher examines the gene Zmf3′h1, whose functional expression results in red color instead of purple color.In the purple kernels, there is an insertion a few hundred base pairs long within this gene.When the researcher repeats this analysis of purple kernels on other corncobs, she sees the same phenomenon.However, the insertions occur at different points within the Zmf3′h1 gene.What genetic phenomenon has the researcher most likely found evidence of?

• A) Chromosomal inversions
• B) Reciprocal translocation
• C) Duplication
• D) Transposons
• E) Chromosomal deletions

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