What Evidence Did Alfred Sturtevant Use to Support His Conclusion

question 6

Multiple Choice

What evidence did Alfred Sturtevant use to support his conclusion that Drosophila have four pairs of chromosomes?

• A)All of the genes he identified had a recombination frequency of 50%.
• B)Drosophila genes cluster into four distinct groups of linked genes.
• C)The overall number of genes in Drosophila is a multiple of four.
• D)All of the genes he identified had recombination frequencies of less than 50%.

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