Required information Genes A and B are close together on the same chromosome. As

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Required information Genes A and B are close together on the same chromosome. As shown in the diagrams of meiotic cells from an ABlab individual, crossing-over occurs between A and B in some meioses, but most of the time crossing-over occurs somewhere else on the chromosome. A B a b Crossing-over not between A and B Crossing-over between A and B In total, what gametes will be produced by an A B/a b individual? Multiple Choice AB:1Ab:1a 8:1ab AB:1ab Ab:1aB More A b and a B; and fewer A Band ab More A Band a b; and fewer A band a B

Explanation / Answer

Answer

1AB:1Ab:1aa:1ab

In meiosis crossing over occur between non sister chromitids

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