A female fly is heterozygous for hairy body (hb), fluted wings (fl), and detached wing veins (dt). This fly is test-crossed, and the resulting progeny are listed in the following table. Phenotype hb fl dt + fl + + + hb + dt fl + hb fl + + + dt hb + + dt Total Tol + 28.5 13.6 9.1 12.5 26.1 Number of gametes 60 65 56 372 376 3 6 What is the map distance between fluted wings and detached wing veins? 62 1,000

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Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.