Sturtevant Provided Genetic Evidence for the Existence of Four Pairs

question 36

Multiple Choice

Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways?

• A) There are four major functional classes of genes in Drosophila.
• 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) The entire Drosophila genome has approximately 400 map units.
• E) Drosophila genes have, on average, four different alleles.

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