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Questions  

Morgan explained linkage on the basis of

a
autosomal monohybrid cross in Drosophila
b
autosomal dihybrid cross in Neurospora
c
allosomal dihybrid cross in fruit fly
d
autosomal test cross in Lathyrus odoratus

detailed solution

Correct option is C

Mendel considered the characters whose genes are present on X chromosome of Drosophila for verifying chromosomal theory of inheritance by conducting dihybrid crosses and discovered linkage by observing the deviation in test cross ratio from mendelian dihybrid test cross ratio in which recombinant phenotypes are obtained less than 50% for the characters he considered.

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