In Drosophila crossing over occurs in female but not in male. Gene A and B are 10 map unit apart on chromsome. A female Drosphila with genotype `(AB)/(ab).` and male Desphila with genotype `(AB)/(ab).` How many type of gametes are produced by female and male Droaphila respectively
A. `{:(4,"types",:,2,"types"):}`
B. `{:(2,"types",:,2,"types"):}`
C. `{:(4,"types",:,4,"types"):}`
D. `{:(4,"types",:,"one","types"):}`
