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k. first-division 11. structure formed at the spot where crossing-over occurs be

ID: 263766 • Letter: K

Question

k. first-division 11. structure formed at the spot where crossing-over occurs between segregation homologs 1. mosaic 12. fungal spores contained in a sac Section 5.1 4, T 2. a. A Drosophila male from a true-breeding stock with ha scabrous eyes was mated with a female from a true- breeding stock with javelin bristles. Both scabrous eyes and javelin bristles are autosomal recessive traits. The Fi progeny all had normal eyes and bristles. F, females from this cross were mated with males with both scabrous eyes and javelin bristles. Write all the possible phenotypic classes of the progeny that could be produced from the cross of the F, females with the scabrous, javelin males, and indicate for each class whether it is a recombinant or parental type. a. b. Sectio 5. In Gr b. The cross above yielded the following progeny: 77 ty all ske scabrous eyes and normal bristles; 76 wild type (nor- mal eyes and bristles); 74 normal eyes and javelin bristles; and 73 scabrous eyes and javelin bristles. Are the genes governing these traits likely to be linked, or do they instead assort independently? Why? yie for

Explanation / Answer

k. first-division 11. structure formed at the spot where crossing-over occurs be